25244004 has 12 divisors (see below), whose sum is σ = 58902704. Its totient is φ = 8414664.

The previous prime is 25244003. The next prime is 25244033. The reversal of 25244004 is 40044252.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (25244003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051822 + ... + 1051845.

Almost surely, 2^25244004 is an apocalyptic number.

It is an amenable number.

25244004 is an abundant number, since it is smaller than the sum of its proper divisors (33658700).

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

25244004 is a wasteful number, since it uses less digits than its factorization.

25244004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103674 (or 2103672 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 25244004 is about 5024.3411508376. The cubic root of 25244004 is about 293.3499915930.

Adding to 25244004 its reverse (40044252), we get a palindrome (65288256).

The spelling of 25244004 in words is "twenty-five million, two hundred forty-four thousand, four".