522571325 has 18 divisors (see below), whose sum is σ = 654172974. Its totient is φ = 414104320.

The previous prime is 522571321. The next prime is 522571327. The reversal of 522571325 is 523175225.

It can be written as a sum of positive squares in 9 ways, for example, as 519338521 + 3232804 = 22789^2 + 1798^2 .

It is not a de Polignac number, because 522571325 - 2² = 522571321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 522571291 and 522571300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522571321) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 318407 + ... + 320043.

It is an arithmetic number, because the mean of its divisors is an integer number (36342943).

Almost surely, 2^522571325 is an apocalyptic number.

It is an amenable number.

522571325 is a deficient number, since it is larger than the sum of its proper divisors (131601649).

522571325 is a wasteful number, since it uses less digits than its factorization.

522571325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873 (or 1755 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 522571325 is about 22859.8190062826. The cubic root of 522571325 is about 805.4684335603.

The spelling of 522571325 in words is "five hundred twenty-two million, five hundred seventy-one thousand, three hundred twenty-five".