390525 has 24 divisors (see below), whose sum is σ = 666624. Its totient is φ = 201600.

The previous prime is 390503. The next prime is 390527. The reversal of 390525 is 525093.

390525 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 390525 - 2⁵ = 390493 is a prime.

It is a Curzon number.

It is a nialpdrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 390495 and 390504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3012 + ... + 3138.

It is an arithmetic number, because the mean of its divisors is an integer number (27776).

2³⁹⁰⁵²⁵ is an apocalyptic number.

It is an amenable number.

390525 is a deficient number, since it is larger than the sum of its proper divisors (276099).

390525 is a wasteful number, since it uses less digits than its factorization.

390525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 390525 is about 624.9199948793. The cubic root of 390525 is about 73.0942050184.

The spelling of 390525 in words is "three hundred ninety thousand, five hundred twenty-five".