25421104 has 10 divisors (see below), whose sum is σ = 49253420. Its totient is φ = 12710544.

The previous prime is 25421093. The next prime is 25421111. The reversal of 25421104 is 40112452.

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 as a sum of consecutive naturals, namely, 794394 + ... + 794425.

It is an arithmetic number, because the mean of its divisors is an integer number (4925342).

Almost surely, 2^25421104 is an apocalyptic number.

It is an amenable number.

25421104 is a deficient number, since it is larger than the sum of its proper divisors (23832316).

25421104 is a wasteful number, since it uses less digits than its factorization.

25421104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588827 (or 1588821 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 25421104 is about 5041.9345493570. The cubic root of 25421104 is about 294.0343952232.

Adding to 25421104 its reverse (40112452), we get a palindrome (65533556).

The spelling of 25421104 in words is "twenty-five million, four hundred twenty-one thousand, one hundred four".