3257825388 has 12 divisors (see below), whose sum is σ = 7601592600. Its totient is φ = 1085941792.

The previous prime is 3257825387. The next prime is 3257825393. The reversal of 3257825388 is 8835287523.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3257825388² = 21226852517394701088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3257825388.

It is not an unprimeable number, because it can be changed into a prime (3257825387) 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, 135742713 + ... + 135742736.

It is an arithmetic number, because the mean of its divisors is an integer number (633466050).

Almost surely, 2^3257825388 is an apocalyptic number.

It is an amenable number.

3257825388 is an abundant number, since it is smaller than the sum of its proper divisors (4343767212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3257825388 is a wasteful number, since it uses less digits than its factorization.

3257825388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271485456 (or 271485454 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The square root of 3257825388 is about 57077.3631836650. The cubic root of 3257825388 is about 1482.4359367433.

The spelling of 3257825388 in words is "three billion, two hundred fifty-seven million, eight hundred twenty-five thousand, three hundred eighty-eight".