3257557523 has 12 divisors (see below), whose sum is σ = 3623772264. Its totient is φ = 2925727200.

The previous prime is 3257557489. The next prime is 3257557547.

3257557523 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3257557523 - 2¹⁰ = 3257556499 is a prime.

It is a super-2 number, since 2×3257557523² = 21223362031307791058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3257557223) 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, 152138 + ... + 172223.

It is an arithmetic number, because the mean of its divisors is an integer number (301981022).

Almost surely, 2^3257557523 is an apocalyptic number.

3257557523 is a deficient number, since it is larger than the sum of its proper divisors (366214741).

3257557523 is a wasteful number, since it uses less digits than its factorization.

3257557523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324466 (or 324455 counting only the distinct ones).

The product of its digits is 1102500, while the sum is 44.

The square root of 3257557523 is about 57075.0166272424. The cubic root of 3257557523 is about 1482.3953060016.

The spelling of 3257557523 in words is "three billion, two hundred fifty-seven million, five hundred fifty-seven thousand, five hundred twenty-three".