536821131 has 48 divisors (see below), whose sum is σ = 907087104. Its totient is φ = 274344000.

The previous prime is 536821111. The next prime is 536821139. The reversal of 536821131 is 131128635.

It is not a de Polignac number, because 536821131 - 2⁵ = 536821099 is a prime.

It is a super-2 number, since 2×536821131² = 576353853376238322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536821139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1164241 + ... + 1164701.

It is an arithmetic number, because the mean of its divisors is an integer number (18897648).

Almost surely, 2^536821131 is an apocalyptic number.

536821131 is a deficient number, since it is larger than the sum of its proper divisors (370265973).

536821131 is a wasteful number, since it uses less digits than its factorization.

536821131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 553 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 536821131 is about 23169.4007475377. The cubic root of 536821131 is about 812.7242172831.

Adding to 536821131 its reverse (131128635), we get a palindrome (667949766).

The spelling of 536821131 in words is "five hundred thirty-six million, eight hundred twenty-one thousand, one hundred thirty-one".