522090625 has 48 divisors (see below), whose sum is σ = 772450560. Its totient is φ = 345240000.

The previous prime is 522090601. The next prime is 522090631. The reversal of 522090625 is 526090225.

It is a de Polignac number, because none of the positive numbers 2^k-522090625 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 633964 + ... + 634786.

It is an arithmetic number, because the mean of its divisors is an integer number (16092720).

Almost surely, 2^522090625 is an apocalyptic number.

It is an amenable number.

522090625 is a deficient number, since it is larger than the sum of its proper divisors (250359935).

522090625 is an frugal number, since it uses more digits than its factorization.

522090625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 522090625 is about 22849.3025057659. The cubic root of 522090625 is about 805.2213811869.

It can be divided in two parts, 5220 and 90625, that multiplied together give a square (473062500 = 21750²).

The spelling of 522090625 in words is "five hundred twenty-two million, ninety thousand, six hundred twenty-five".