331152625 has 16 divisors (see below), whose sum is σ = 414013392. Its totient is φ = 264451200.

The previous prime is 331152623. The next prime is 331152629. The reversal of 331152625 is 526251133.

It can be written as a sum of positive squares in 8 ways, for example, as 150626529 + 180526096 = 12273^2 + 13436^2 .

It is not a de Polignac number, because 331152625 - 2¹ = 331152623 is a prime.

It is a super-2 number, since 2×331152625² = 219324122088781250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331152593 and 331152602.

It is not an unprimeable number, because it can be changed into a prime (331152623) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 79597 + ... + 83653.

It is an arithmetic number, because the mean of its divisors is an integer number (25875837).

Almost surely, 2^331152625 is an apocalyptic number.

It is an amenable number.

331152625 is a deficient number, since it is larger than the sum of its proper divisors (82860767).

331152625 is an equidigital number, since it uses as much as digits as its factorization.

331152625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725 (or 4715 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 331152625 is about 18197.5994295951. The cubic root of 331152625 is about 691.8459463333.

The spelling of 331152625 in words is "three hundred thirty-one million, one hundred fifty-two thousand, six hundred twenty-five".