25426004 has 12 divisors (see below), whose sum is σ = 44655828. Its totient is φ = 12667200.

The previous prime is 25426001. The next prime is 25426021. The reversal of 25426004 is 40062452.

It can be written as a sum of positive squares in 2 ways, for example, as 21996100 + 3429904 = 4690^2 + 1852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25426001) 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, 10187 + ... + 12434.

It is an arithmetic number, because the mean of its divisors is an integer number (3721319).

Almost surely, 2^25426004 is an apocalyptic number.

It is an amenable number.

25426004 is a deficient number, since it is larger than the sum of its proper divisors (19229824).

25426004 is a wasteful number, since it uses less digits than its factorization.

25426004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22906 (or 22904 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 25426004 is about 5042.4204505376. The cubic root of 25426004 is about 294.0532860363.

Adding to 25426004 its reverse (40062452), we get a palindrome (65488456).

The spelling of 25426004 in words is "twenty-five million, four hundred twenty-six thousand, four".