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1316400853 is a prime number
BaseRepresentation
bin100111001110110…
…1010111011010101
310101202001002111011
41032131222323111
510143444311403
6334343012221
744423136235
oct11635527325
93352032434
101316400853
1161608a499
12308a3a071
1317c95b121
14c6b8dcc5
157a87ea6d
hex4e76aed5

1316400853 has 2 divisors, whose sum is σ = 1316400854. Its totient is φ = 1316400852.

The previous prime is 1316400851. The next prime is 1316400859. The reversal of 1316400853 is 3580046131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1121044324 + 195356529 = 33482^2 + 13977^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316400853 - 21 = 1316400851 is a prime.

It is a super-2 number, since 2×13164008532 = 3465822411558255218, which contains 22 as substring.

Together with 1316400851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316400851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658200426 + 658200427.

It is an arithmetic number, because the mean of its divisors is an integer number (658200427).

Almost surely, 21316400853 is an apocalyptic number.

It is an amenable number.

1316400853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316400853 is an equidigital number, since it uses as much as digits as its factorization.

1316400853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1316400853 is about 36282.2388090923. The cubic root of 1316400853 is about 1095.9634016963.

Adding to 1316400853 its reverse (3580046131), we get a palindrome (4896446984).

The spelling of 1316400853 in words is "one billion, three hundred sixteen million, four hundred thousand, eight hundred fifty-three".