25250504 has 32 divisors (see below), whose sum is σ = 49896000. Its totient is φ = 11956032.

The previous prime is 25250501. The next prime is 25250531. The reversal of 25250504 is 40505252.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 25250504.

It is not an unprimeable number, because it can be changed into a prime (25250501) 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, 19427 + ... + 20685.

It is an arithmetic number, because the mean of its divisors is an integer number (1559250).

Almost surely, 2^25250504 is an apocalyptic number.

It is an amenable number.

25250504 is a deficient number, since it is larger than the sum of its proper divisors (24645496).

25250504 is a wasteful number, since it uses less digits than its factorization.

25250504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 25250504 is about 5024.9879601846. The cubic root of 25250504 is about 293.3751673577.

Adding to 25250504 its reverse (40505252), we get a palindrome (65755756).

The spelling of 25250504 in words is "twenty-five million, two hundred fifty thousand, five hundred four".