25031316 has 12 divisors (see below), whose sum is σ = 58406432. Its totient is φ = 8343768.

The previous prime is 25031311. The next prime is 25031323. The reversal of 25031316 is 61313052.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 25031292 and 25031301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25031311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042960 + ... + 1042983.

Almost surely, 2^25031316 is an apocalyptic number.

It is an amenable number.

25031316 is an abundant number, since it is smaller than the sum of its proper divisors (33375116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25031316 is a wasteful number, since it uses less digits than its factorization.

25031316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085950 (or 2085948 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 25031316 is about 5003.1306199219. The cubic root of 25031316 is about 292.5238142639.

Adding to 25031316 its reverse (61313052), we get a palindrome (86344368).

The spelling of 25031316 in words is "twenty-five million, thirty-one thousand, three hundred sixteen".