392245427025 has 81 divisors (see below), whose sum is σ = 720015117627. Its totient is φ = 204122066400.

The previous prime is 392245427003. The next prime is 392245427027. The reversal of 392245427025 is 520724542293.

The square root of 392245427025 is 626295.

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

392245427025 is a `hidden beast` number, since 39 + 2 + 2 + 4 + 542 + 70 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 141208353729 + 251037073296 = 375777^2 + 501036^2 .

It is a de Polignac number, because none of the positive numbers 2^k-392245427025 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (392245427027) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 403959790 + ... + 403960760.

Almost surely, 2^392245427025 is an apocalyptic number.

392245427025 is the 626295-th square number.

392245427025 is the 313148-th centered octagonal number.

It is an amenable number.

392245427025 is a deficient number, since it is larger than the sum of its proper divisors (327769690602).

392245427025 is an frugal number, since it uses more digits than its factorization.

392245427025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 392245427025 in words is "three hundred ninety-two billion, two hundred forty-five million, four hundred twenty-seven thousand, twenty-five".