25425838 has 16 divisors (see below), whose sum is σ = 40273920. Its totient is φ = 12005496.

The previous prime is 25425823. The next prime is 25425839. The reversal of 25425838 is 83852452.

It is a junction number, because it is equal to n+sod(n) for n = 25425797 and 25425806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13681 + ... + 15427.

It is an arithmetic number, because the mean of its divisors is an integer number (2517120).

Almost surely, 2^25425838 is an apocalyptic number.

25425838 is a deficient number, since it is larger than the sum of its proper divisors (14848082).

25425838 is a wasteful number, since it uses less digits than its factorization.

25425838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151.

The product of its digits is 76800, while the sum is 37.

The square root of 25425838 is about 5042.4039901618. The cubic root of 25425838 is about 294.0526461015.

The spelling of 25425838 in words is "twenty-five million, four hundred twenty-five thousand, eight hundred thirty-eight".