3257133478 has 16 divisors (see below), whose sum is σ = 4906826496. Its totient is φ = 1621536840.

The previous prime is 3257133469. The next prime is 3257133563. The reversal of 3257133478 is 8743317523.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696175 + ... + 700837.

It is an arithmetic number, because the mean of its divisors is an integer number (306676656).

Almost surely, 2^3257133478 is an apocalyptic number.

3257133478 is a deficient number, since it is larger than the sum of its proper divisors (1649693018).

3257133478 is a wasteful number, since it uses less digits than its factorization.

3257133478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099.

The product of its digits is 423360, while the sum is 43.

The square root of 3257133478 is about 57071.3017023442. The cubic root of 3257133478 is about 1482.3309807527.

It can be divided in two parts, 32571 and 33478, that added together give a square (66049 = 257²).

The spelling of 3257133478 in words is "three billion, two hundred fifty-seven million, one hundred thirty-three thousand, four hundred seventy-eight".