3257894313 has 12 divisors (see below), whose sum is σ = 4707368068. Its totient is φ = 2171227680.

The previous prime is 3257894293. The next prime is 3257894329. The reversal of 3257894313 is 3134987523.

3257894313 is a `hidden beast` number, since 3 + 257 + 89 + 4 + 313 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 452285289 + 2805609024 = 21267^2 + 52968^2 .

It is not a de Polignac number, because 3257894313 - 2²¹ = 3255797161 is a prime.

It is a super-2 number, since 2×3257894313² = 21227750709355483938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3257894383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28270 + ... + 85527.

Almost surely, 2^3257894313 is an apocalyptic number.

It is an amenable number.

3257894313 is a deficient number, since it is larger than the sum of its proper divisors (1449473755).

3257894313 is a wasteful number, since it uses less digits than its factorization.

3257894313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116984 (or 116981 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 3257894313 is about 57077.9669662471. The cubic root of 3257894313 is about 1482.4463911788.

The spelling of 3257894313 in words is "three billion, two hundred fifty-seven million, eight hundred ninety-four thousand, three hundred thirteen".