25045004 has 24 divisors (see below), whose sum is σ = 45294480. Its totient is φ = 12108096.

The previous prime is 25044977. The next prime is 25045019. The reversal of 25045004 is 40054052.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28727 + ... + 29585.

It is an arithmetic number, because the mean of its divisors is an integer number (1887270).

Almost surely, 2^25045004 is an apocalyptic number.

It is an amenable number.

25045004 is a deficient number, since it is larger than the sum of its proper divisors (20249476).

25045004 is a wasteful number, since it uses less digits than its factorization.

25045004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 25045004 is about 5004.4983764609. The cubic root of 25045004 is about 292.5771253022.

Adding to 25045004 its reverse (40054052), we get a palindrome (65099056).

It can be divided in two parts, 250 and 45004, that added together give a palindrome (45254).

The spelling of 25045004 in words is "twenty-five million, forty-five thousand, four".