6390525 has 24 divisors (see below), whose sum is σ = 10659040. Its totient is φ = 3378240.

The previous prime is 6390499. The next prime is 6390533. The reversal of 6390525 is 5250936.

6390525 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6390525 - 2¹⁷ = 6259453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6390492 and 6390501.

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, 10119 + ... + 10731.

Almost surely, 2^6390525 is an apocalyptic number.

It is an amenable number.

6390525 is a deficient number, since it is larger than the sum of its proper divisors (4268515).

6390525 is a wasteful number, since it uses less digits than its factorization.

6390525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 6390525 is about 2527.9487732152. The cubic root of 6390525 is about 185.5718850627.

It can be divided in two parts, 63 and 90525, that multiplied together give a palindrome (5703075).

The spelling of 6390525 in words is "six million, three hundred ninety thousand, five hundred twenty-five".