39425825 has 24 divisors (see below), whose sum is σ = 50371776. Its totient is φ = 30600000.

The previous prime is 39425801. The next prime is 39425857. The reversal of 39425825 is 52852493.

It is not a de Polignac number, because 39425825 - 2⁸ = 39425569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156950 + ... + 157200.

It is an arithmetic number, because the mean of its divisors is an integer number (2098824).

Almost surely, 2^39425825 is an apocalyptic number.

It is an amenable number.

39425825 is a deficient number, since it is larger than the sum of its proper divisors (10945951).

39425825 is a wasteful number, since it uses less digits than its factorization.

39425825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 420 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 39425825 is about 6278.9987259116. The cubic root of 39425825 is about 340.3509208432.

The spelling of 39425825 in words is "thirty-nine million, four hundred twenty-five thousand, eight hundred twenty-five".