25318036 has 6 divisors (see below), whose sum is σ = 44306570. Its totient is φ = 12659016.

The previous prime is 25318001. The next prime is 25318039. The reversal of 25318036 is 63081352.

It can be written as a sum of positive squares in only one way, i.e., 17589636 + 7728400 = 4194^2 + 2780^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25317995 and 25318013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25318039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3164751 + ... + 3164758.

Almost surely, 2^25318036 is an apocalyptic number.

It is an amenable number.

25318036 is a deficient number, since it is larger than the sum of its proper divisors (18988534).

25318036 is a wasteful number, since it uses less digits than its factorization.

25318036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329513 (or 6329511 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 25318036 is about 5031.7030913996. The cubic root of 25318036 is about 293.6364766703.

Adding to 25318036 its reverse (63081352), we get a palindrome (88399388).

The spelling of 25318036 in words is "twenty-five million, three hundred eighteen thousand, thirty-six".