3121052425 has 12 divisors (see below), whose sum is σ = 3886171036. Its totient is φ = 2486476800.

The previous prime is 3121052399. The next prime is 3121052477. The reversal of 3121052425 is 5242501213.

3121052425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 122832889 + 2998219536 = 11083^2 + 54756^2 .

It is not a de Polignac number, because 3121052425 - 2²⁹ = 2584181513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3121052425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252984 + ... + 265033.

Almost surely, 2^3121052425 is an apocalyptic number.

It is an amenable number.

3121052425 is a deficient number, since it is larger than the sum of its proper divisors (765118611).

3121052425 is a wasteful number, since it uses less digits than its factorization.

3121052425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518268 (or 518263 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3121052425 is about 55866.3800957248. The cubic root of 3121052425 is about 1461.3929948073.

Adding to 3121052425 its reverse (5242501213), we get a palindrome (8363553638).

The spelling of 3121052425 in words is "three billion, one hundred twenty-one million, fifty-two thousand, four hundred twenty-five".