25234404 has 72 divisors (see below), whose sum is σ = 66652992. Its totient is φ = 7413120.

The previous prime is 25234397. The next prime is 25234439. The reversal of 25234404 is 40443252.

25234404 = 275² + 276² + ... + 458².

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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, 46374 + ... + 46914.

It is an arithmetic number, because the mean of its divisors is an integer number (925736).

Almost surely, 2^25234404 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 25234404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33326496).

25234404 is an abundant number, since it is smaller than the sum of its proper divisors (41418588).

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

25234404 is a wasteful number, since it uses less digits than its factorization.

25234404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 25234404 is about 5023.3857108528. The cubic root of 25234404 is about 293.3128010192.

Adding to 25234404 its reverse (40443252), we get a palindrome (65677656).

The spelling of 25234404 in words is "twenty-five million, two hundred thirty-four thousand, four hundred four".