3256113457 has 2 divisors, whose sum is σ = 3256113458. Its totient is φ = 3256113456.

The previous prime is 3256113433. The next prime is 3256113461. The reversal of 3256113457 is 7543116523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3171491856 + 84621601 = 56316^2 + 9199^2 .

It is a cyclic number.

It is not a de Polignac number, because 3256113457 - 2²³ = 3247724849 is a prime.

It is not a weakly prime, because it can be changed into another prime (3256113857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628056728 + 1628056729.

It is an arithmetic number, because the mean of its divisors is an integer number (1628056729).

Almost surely, 2^3256113457 is an apocalyptic number.

It is an amenable number.

3256113457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3256113457 is an equidigital number, since it uses as much as digits as its factorization.

3256113457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 3256113457 is about 57062.3646285360. The cubic root of 3256113457 is about 1482.1762264160.

The spelling of 3256113457 in words is "three billion, two hundred fifty-six million, one hundred thirteen thousand, four hundred fifty-seven".