25245136 has 40 divisors (see below), whose sum is σ = 59192640. Its totient is φ = 10182144.

The previous prime is 25245133. The next prime is 25245139. The reversal of 25245136 is 63154252.

It is an interprime number because it is at equal distance from previous prime (25245133) and next prime (25245139).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25245133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4726 + ... + 8533.

It is an arithmetic number, because the mean of its divisors is an integer number (1479816).

Almost surely, 2^25245136 is an apocalyptic number.

It is an amenable number.

25245136 is an abundant number, since it is smaller than the sum of its proper divisors (33947504).

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

25245136 is a wasteful number, since it uses less digits than its factorization.

25245136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291 (or 13285 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 25245136 is about 5024.4538011609. The cubic root of 25245136 is about 293.3543763600.

Adding to 25245136 its reverse (63154252), we get a palindrome (88399388).

The spelling of 25245136 in words is "twenty-five million, two hundred forty-five thousand, one hundred thirty-six".