25536996 has 72 divisors (see below), whose sum is σ = 66777984. Its totient is φ = 8225280.

The previous prime is 25536989. The next prime is 25536997. The reversal of 25536996 is 69963552.

25536996 is a `hidden beast` number, since 2 + 553 + 6 + 9 + 96 = 666.

It is not an unprimeable number, because it can be changed into a prime (25536997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247881 + ... + 247983.

It is an arithmetic number, because the mean of its divisors is an integer number (927472).

Almost surely, 2^25536996 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 25536996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33388992).

25536996 is an abundant number, since it is smaller than the sum of its proper divisors (41240988).

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

25536996 is a wasteful number, since it uses less digits than its factorization.

25536996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 276 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 25536996 is about 5053.4142913480. The cubic root of 25536996 is about 294.4805413547.

The spelling of 25536996 in words is "twenty-five million, five hundred thirty-six thousand, nine hundred ninety-six".