390511125 has 40 divisors (see below), whose sum is σ = 728047320. Its totient is φ = 208267200.

The previous prime is 390511111. The next prime is 390511171. The reversal of 390511125 is 521115093.

It can be written as a sum of positive squares in 4 ways, for example, as 6625476 + 383885649 = 2574^2 + 19593^2 .

It is not a de Polignac number, because 390511125 - 2²⁵ = 356956693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9160 + ... + 29409.

It is an arithmetic number, because the mean of its divisors is an integer number (18201183).

Almost surely, 2^390511125 is an apocalyptic number.

It is an amenable number.

390511125 is a deficient number, since it is larger than the sum of its proper divisors (337536195).

390511125 is an equidigital number, since it uses as much as digits as its factorization.

390511125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38596 (or 38577 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 390511125 is about 19761.3543311181. The cubic root of 390511125 is about 730.9333935119.

The spelling of 390511125 in words is "three hundred ninety million, five hundred eleven thousand, one hundred twenty-five".