390571225 has 12 divisors (see below), whose sum is σ = 528336720. Its totient is φ = 284051600.

The previous prime is 390571219. The next prime is 390571231. The reversal of 390571225 is 522175093.

It is an interprime number because it is at equal distance from previous prime (390571219) and next prime (390571231).

It is not a de Polignac number, because 390571225 - 2¹¹ = 390569177 is a prime.

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, 709855 + ... + 710404.

It is an arithmetic number, because the mean of its divisors is an integer number (44028060).

Almost surely, 2^390571225 is an apocalyptic number.

It is an amenable number.

390571225 is a deficient number, since it is larger than the sum of its proper divisors (137765495).

390571225 is a wasteful number, since it uses less digits than its factorization.

390571225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420280 (or 1420275 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 390571225 is about 19762.8749173798. The cubic root of 390571225 is about 730.9708886823.

The spelling of 390571225 in words is "three hundred ninety million, five hundred seventy-one thousand, two hundred twenty-five".