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1225300487 is a prime number
BaseRepresentation
bin100100100001000…
…1001101000000111
310011101121201021112
41021002021220013
510002134103422
6321330235235
742235611425
oct11102115007
93141551245
101225300487
11579717434
122a2425b1b
13166b12398
14b8a38115
1572886ee2
hex49089a07

1225300487 has 2 divisors, whose sum is σ = 1225300488. Its totient is φ = 1225300486.

The previous prime is 1225300357. The next prime is 1225300493. The reversal of 1225300487 is 7840035221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1225300487 - 216 = 1225234951 is a prime.

It is a super-2 number, since 2×12253004872 = 3002722566884874338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245300487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612650243 + 612650244.

It is an arithmetic number, because the mean of its divisors is an integer number (612650244).

Almost surely, 21225300487 is an apocalyptic number.

1225300487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225300487 is an equidigital number, since it uses as much as digits as its factorization.

1225300487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1225300487 is about 35004.2924082176. The cubic root of 1225300487 is about 1070.0749611209.

The spelling of 1225300487 in words is "one billion, two hundred twenty-five million, three hundred thousand, four hundred eighty-seven".