31416025 has 27 divisors (see below), whose sum is σ = 41822751. Its totient is φ = 23406480.

The previous prime is 31416023. The next prime is 31416031. The reversal of 31416025 is 52061413.

The square root of 31416025 is 5605.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11309769 + 20106256 = 3363^2 + 4484^2 .

It is not a de Polignac number, because 31416025 - 2¹ = 31416023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31415987 and 31416005.

It is not an unprimeable number, because it can be changed into a prime (31416023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 532446 + ... + 532504.

Almost surely, 2^31416025 is an apocalyptic number.

31416025 is the 5605-th square number.

31416025 is the 2803-rd centered octagonal number.

It is an amenable number.

31416025 is a deficient number, since it is larger than the sum of its proper divisors (10406726).

31416025 is an equidigital number, since it uses as much as digits as its factorization.

31416025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The cubic root of 31416025 is about 315.5370865826.

Adding to 31416025 its reverse (52061413), we get a palindrome (83477438).

The spelling of 31416025 in words is "thirty-one million, four hundred sixteen thousand, twenty-five".