392238025 has 27 divisors (see below), whose sum is σ = 518895391. Its totient is φ = 294064640.

The previous prime is 392238023. The next prime is 392238047. The reversal of 392238025 is 520832293.

The square root of 392238025 is 19805.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 259435449 + 132802576 = 16107^2 + 11524^2 .

It is not a de Polignac number, because 392238025 - 2¹ = 392238023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (392238023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1683309 + ... + 1683541.

Almost surely, 2^392238025 is an apocalyptic number.

392238025 is the 19805-th square number.

392238025 is the 9903-rd centered octagonal number.

It is an amenable number.

392238025 is a deficient number, since it is larger than the sum of its proper divisors (126657366).

392238025 is an equidigital number, since it uses as much as digits as its factorization.

392238025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The cubic root of 392238025 is about 732.0092423460.

The spelling of 392238025 in words is "three hundred ninety-two million, two hundred thirty-eight thousand, twenty-five".