25789504 has 56 divisors (see below), whose sum is σ = 55758080. Its totient is φ = 11764224.

The previous prime is 25789501. The next prime is 25789537. The reversal of 25789504 is 40598752.

It is a super-4 number, since 4×25789504⁴ (a number of 31 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (25789501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115537 + ... + 115759.

It is an arithmetic number, because the mean of its divisors is an integer number (995680).

Almost surely, 2^25789504 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 25789504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27879040).

25789504 is an abundant number, since it is smaller than the sum of its proper divisors (29968576).

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

25789504 is a wasteful number, since it uses less digits than its factorization.

25789504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 25789504 is about 5078.3367355858. The cubic root of 25789504 is about 295.4479606178.

The spelling of 25789504 in words is "twenty-five million, seven hundred eighty-nine thousand, five hundred four".