25040316 has 24 divisors (see below), whose sum is σ = 66774400. Its totient is φ = 7154352.

The previous prime is 25040297. The next prime is 25040321. The reversal of 25040316 is 61304052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 25040292 and 25040301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148966 + ... + 149133.

Almost surely, 2^25040316 is an apocalyptic number.

It is an amenable number.

25040316 is an abundant number, since it is smaller than the sum of its proper divisors (41734084).

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

25040316 is a wasteful number, since it uses less digits than its factorization.

25040316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298113 (or 298111 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25040316 is about 5004.0299759294. The cubic root of 25040316 is about 292.5588690044.

Adding to 25040316 its reverse (61304052), we get a palindrome (86344368).

The spelling of 25040316 in words is "twenty-five million, forty thousand, three hundred sixteen".