3321020525 has 24 divisors (see below), whose sum is σ = 4199731200. Its totient is φ = 2604648960.

The previous prime is 3321020509. The next prime is 3321020543. The reversal of 3321020525 is 5250201233.

3321020525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3321020525 - 2⁴ = 3321020509 is a prime.

It is a super-2 number, since 2×3321020525² = 22058354654942551250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3321020525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253076 + ... + 265874.

It is an arithmetic number, because the mean of its divisors is an integer number (174988800).

Almost surely, 2^3321020525 is an apocalyptic number.

It is an amenable number.

3321020525 is a deficient number, since it is larger than the sum of its proper divisors (878710675).

3321020525 is a wasteful number, since it uses less digits than its factorization.

3321020525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13013 (or 13008 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 3321020525 is about 57628.2962180906. The cubic root of 3321020525 is about 1491.9600235883.

Adding to 3321020525 its reverse (5250201233), we get a palindrome (8571221758).

It can be divided in two parts, 33210 and 20525, that added together give a palindrome (53735).

The spelling of 3321020525 in words is "three billion, three hundred twenty-one million, twenty thousand, five hundred twenty-five".