3120525025 has 12 divisors (see below), whose sum is σ = 3870427500. Its totient is φ = 2495790080.

The previous prime is 3120525013. The next prime is 3120525091. The reversal of 3120525025 is 5205250213.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11235904 + 3109289121 = 3352^2 + 55761^2 .

It is not a de Polignac number, because 3120525025 - 2⁵ = 3120524993 is a prime.

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

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, 102801 + ... + 129649.

It is an arithmetic number, because the mean of its divisors is an integer number (322535625).

Almost surely, 2^3120525025 is an apocalyptic number.

It is an amenable number.

3120525025 is a deficient number, since it is larger than the sum of its proper divisors (749902475).

3120525025 is a wasteful number, since it uses less digits than its factorization.

3120525025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31508 (or 31503 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 3120525025 is about 55861.6597050249. The cubic root of 3120525025 is about 1461.3106740622.

Adding to 3120525025 its reverse (5205250213), we get a palindrome (8325775238).

The spelling of 3120525025 in words is "three billion, one hundred twenty million, five hundred twenty-five thousand, twenty-five".