31326025 has 12 divisors (see below), whose sum is σ = 38913804. Its totient is φ = 25016000.

The previous prime is 31326011. The next prime is 31326049. The reversal of 31326025 is 52062313.

It can be written as a sum of positive squares in 6 ways, for example, as 1065024 + 30261001 = 1032^2 + 5501^2 .

It is not a de Polignac number, because 31326025 - 2¹⁵ = 31293257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31325987 and 31326005.

It is a congruent number.

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, 25935 + ... + 27115.

It is an arithmetic number, because the mean of its divisors is an integer number (3242817).

Almost surely, 2^31326025 is an apocalyptic number.

It is an amenable number.

31326025 is a deficient number, since it is larger than the sum of its proper divisors (7587779).

31326025 is a wasteful number, since it uses less digits than its factorization.

31326025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 31326025 is about 5596.9656958034. The cubic root of 31326025 is about 315.2354836123.

Adding to 31326025 its reverse (52062313), we get a palindrome (83388338).

The spelling of 31326025 in words is "thirty-one million, three hundred twenty-six thousand, twenty-five".