25425404 has 12 divisors (see below), whose sum is σ = 47111904. Its totient is φ = 11964864.

The previous prime is 25425403. The next prime is 25425451. The reversal of 25425404 is 40452452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425403) 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, 186884 + ... + 187019.

It is an arithmetic number, because the mean of its divisors is an integer number (3925992).

Almost surely, 2^25425404 is an apocalyptic number.

It is an amenable number.

25425404 is a deficient number, since it is larger than the sum of its proper divisors (21686500).

25425404 is a wasteful number, since it uses less digits than its factorization.

25425404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373924 (or 373922 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 25425404 is about 5042.3609549496. The cubic root of 25425404 is about 294.0509730059.

Adding to 25425404 its reverse (40452452), we get a palindrome (65877856).

The spelling of 25425404 in words is "twenty-five million, four hundred twenty-five thousand, four hundred four".