3121525484 has 48 divisors (see below), whose sum is σ = 6816961536. Its totient is φ = 1215043200.

The previous prime is 3121525483. The next prime is 3121525487. The reversal of 3121525484 is 4845251213.

It is a super-2 number, since 2×3121525484² = 19487842694522868512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3121525481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375032 + ... + 383264.

It is an arithmetic number, because the mean of its divisors is an integer number (142020032).

Almost surely, 2^3121525484 is an apocalyptic number.

It is an amenable number.

3121525484 is an abundant number, since it is smaller than the sum of its proper divisors (3695436052).

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

3121525484 is a wasteful number, since it uses less digits than its factorization.

3121525484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486 (or 9484 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 3121525484 is about 55870.6137786225. The cubic root of 3121525484 is about 1461.4668256918.

Adding to 3121525484 its reverse (4845251213), we get a palindrome (7966776697).

The spelling of 3121525484 in words is "three billion, one hundred twenty-one million, five hundred twenty-five thousand, four hundred eighty-four".