25316536 has 96 divisors (see below), whose sum is σ = 60944400. Its totient is φ = 9784320.

The previous prime is 25316527. The next prime is 25316567. The reversal of 25316536 is 63561352.

It is a junction number, because it is equal to n+sod(n) for n = 25316498 and 25316507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193191 + ... + 193321.

Almost surely, 2^25316536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25316536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30472200).

25316536 is an abundant number, since it is smaller than the sum of its proper divisors (35627864).

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

25316536 is a wasteful number, since it uses less digits than its factorization.

25316536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 186 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

The square root of 25316536 is about 5031.5540342920. The cubic root of 25316536 is about 293.6306775974.

Adding to 25316536 its reverse (63561352), we get a palindrome (88877888).

It can be divided in two parts, 25316 and 536, that added together give a palindrome (25852).

The spelling of 25316536 in words is "twenty-five million, three hundred sixteen thousand, five hundred thirty-six".