39009025 has 12 divisors (see below), whose sum is σ = 52768944. Its totient is φ = 28370000.

The previous prime is 39009017. The next prime is 39009037. The reversal of 39009025 is 52090093.

It is not a de Polignac number, because 39009025 - 2³ = 39009017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39008984 and 39009002.

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 in 11 ways as a sum of consecutive naturals, for example, 70651 + ... + 71200.

It is an arithmetic number, because the mean of its divisors is an integer number (4397412).

Almost surely, 2^39009025 is an apocalyptic number.

It is an amenable number.

39009025 is a deficient number, since it is larger than the sum of its proper divisors (13759919).

39009025 is a wasteful number, since it uses less digits than its factorization.

39009025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141872 (or 141867 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 39009025 is about 6245.7205348943. The cubic root of 39009025 is about 339.1473009875.

The spelling of 39009025 in words is "thirty-nine million, nine thousand, twenty-five".