8390525 has 24 divisors (see below), whose sum is σ = 12228384. Its totient is φ = 5630400.

The previous prime is 8390513. The next prime is 8390531. The reversal of 8390525 is 5250938.

It is a happy number.

It is not a de Polignac number, because 8390525 - 2¹⁰ = 8389501 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8390491 and 8390500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2402 + ... + 4748.

It is an arithmetic number, because the mean of its divisors is an integer number (509516).

Almost surely, 2^8390525 is an apocalyptic number.

It is an amenable number.

8390525 is a deficient number, since it is larger than the sum of its proper divisors (3837859).

8390525 is a wasteful number, since it uses less digits than its factorization.

8390525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381 (or 2376 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 8390525 is about 2896.6402952386. The cubic root of 8390525 is about 203.2028112146.

The spelling of 8390525 in words is "eight million, three hundred ninety thousand, five hundred twenty-five".