3257997523 has 16 divisors (see below), whose sum is σ = 3619843200. Its totient is φ = 2907247680.

The previous prime is 3257997517. The next prime is 3257997527.

3257997523 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3257997523 is a prime.

It is a super-2 number, since 2×3257997523² = 21229095719748271058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3257997527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476215 + ... + 483007.

It is an arithmetic number, because the mean of its divisors is an integer number (226240200).

Almost surely, 2^3257997523 is an apocalyptic number.

3257997523 is a deficient number, since it is larger than the sum of its proper divisors (361845677).

3257997523 is a wasteful number, since it uses less digits than its factorization.

3257997523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602.

The product of its digits is 3572100, while the sum is 52.

The square root of 3257997523 is about 57078.8710732789. The cubic root of 3257997523 is about 1482.4620456335.

The spelling of 3257997523 in words is "three billion, two hundred fifty-seven million, nine hundred ninety-seven thousand, five hundred twenty-three".