522001131 has 12 divisors (see below), whose sum is σ = 720832632. Its totient is φ = 335999104.

The previous prime is 522001097. The next prime is 522001147. The reversal of 522001131 is 131100225.

It is a de Polignac number, because none of the positive numbers 2^k-522001131 is a prime.

It is a super-2 number, since 2×522001131² = 544970361530558322, which contains 22 as substring.

522001131 is a modest number, since divided by 1131 gives 522 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 522001131.

It is not an unprimeable number, because it can be changed into a prime (522001171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100926 + ... + 105971.

It is an arithmetic number, because the mean of its divisors is an integer number (60069386).

Almost surely, 2^522001131 is an apocalyptic number.

522001131 is a deficient number, since it is larger than the sum of its proper divisors (198831501).

522001131 is a wasteful number, since it uses less digits than its factorization.

522001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206958 (or 206929 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 522001131 is about 22847.3440688409. The cubic root of 522001131 is about 805.1753696346.

Adding to 522001131 its reverse (131100225), we get a palindrome (653101356).

The spelling of 522001131 in words is "five hundred twenty-two million, one thousand, one hundred thirty-one".