39225425 has 12 divisors (see below), whose sum is σ = 48730140. Its totient is φ = 31321920.

The previous prime is 39225413. The next prime is 39225457. The reversal of 39225425 is 52452293.

It can be written as a sum of positive squares in 6 ways, for example, as 256 + 39225169 = 16^2 + 6263^2 .

It is a de Polignac number, because none of the positive numbers 2^k-39225425 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39225391 and 39225400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16619 + ... + 18831.

It is an arithmetic number, because the mean of its divisors is an integer number (4060845).

Almost surely, 2^39225425 is an apocalyptic number.

It is an amenable number.

39225425 is a deficient number, since it is larger than the sum of its proper divisors (9504715).

39225425 is a wasteful number, since it uses less digits than its factorization.

39225425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2927 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 39225425 is about 6263.0204374567. The cubic root of 39225425 is about 339.7732773369.

The spelling of 39225425 in words is "thirty-nine million, two hundred twenty-five thousand, four hundred twenty-five".