3217115057 has 4 divisors (see below), whose sum is σ = 3464585460. Its totient is φ = 2969644656.

The previous prime is 3217115039. The next prime is 3217115059. The reversal of 3217115057 is 7505117123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1361314816 + 1855800241 = 36896^2 + 43079^2 .

It is a cyclic number.

It is not a de Polignac number, because 3217115057 - 2²⁴ = 3200337841 is a prime.

It is a super-2 number, since 2×3217115057² = 20699658579952226498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3217115059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123735182 + ... + 123735207.

It is an arithmetic number, because the mean of its divisors is an integer number (866146365).

Almost surely, 2^3217115057 is an apocalyptic number.

It is an amenable number.

3217115057 is a deficient number, since it is larger than the sum of its proper divisors (247470403).

3217115057 is a wasteful number, since it uses less digits than its factorization.

3217115057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247470402.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 3217115057 is about 56719.6179200812. The cubic root of 3217115057 is about 1476.2351132445.

The spelling of 3217115057 in words is "three billion, two hundred seventeen million, one hundred fifteen thousand, fifty-seven".