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1032312257 is a prime number
BaseRepresentation
bin111101100001111…
…101010111000001
32122221110220012022
4331201331113001
54103232443012
6250234011225
734403336504
oct7541752701
92587426168
101032312257
1148a793529
12249876b15
13135b41772
149b15d13b
1560965472
hex3d87d5c1

1032312257 has 2 divisors, whose sum is σ = 1032312258. Its totient is φ = 1032312256.

The previous prime is 1032312191. The next prime is 1032312263. The reversal of 1032312257 is 7522132301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836424241 + 195888016 = 28921^2 + 13996^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032312257 - 210 = 1032311233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1032312287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516156128 + 516156129.

It is an arithmetic number, because the mean of its divisors is an integer number (516156129).

Almost surely, 21032312257 is an apocalyptic number.

It is an amenable number.

1032312257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032312257 is an equidigital number, since it uses as much as digits as its factorization.

1032312257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1032312257 is about 32129.6165087603. The cubic root of 1032312257 is about 1010.6567819130.

Adding to 1032312257 its reverse (7522132301), we get a palindrome (8554444558).

The spelling of 1032312257 in words is "one billion, thirty-two million, three hundred twelve thousand, two hundred fifty-seven".