3115021225 has 12 divisors (see below), whose sum is σ = 3995821260. Its totient is φ = 2406084800.

The previous prime is 3115021211. The next prime is 3115021249. The reversal of 3115021225 is 5221205113.

It can be written as a sum of positive squares in 6 ways, for example, as 730945296 + 2384075929 = 27036^2 + 48827^2 .

It is not a de Polignac number, because 3115021225 - 2¹⁹ = 3114496937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3115021196 and 3115021205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2147566 + ... + 2149015.

It is an arithmetic number, because the mean of its divisors is an integer number (332985105).

Almost surely, 2^3115021225 is an apocalyptic number.

It is an amenable number.

3115021225 is a deficient number, since it is larger than the sum of its proper divisors (880800035).

3115021225 is a wasteful number, since it uses less digits than its factorization.

3115021225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296620 (or 4296615 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 3115021225 is about 55812.3751958291. The cubic root of 3115021225 is about 1460.4510436354.

Adding to 3115021225 its reverse (5221205113), we get a palindrome (8336226338).

The spelling of 3115021225 in words is "three billion, one hundred fifteen million, twenty-one thousand, two hundred twenty-five".