52699131 has 12 divisors (see below), whose sum is σ = 76302408. Its totient is φ = 35049024.

The previous prime is 52699121. The next prime is 52699139. The reversal of 52699131 is 13199625.

It is not a de Polignac number, because 52699131 - 2⁶ = 52699067 is a prime.

It is a super-2 number, since 2×52699131² = 5554396816310322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52699139) 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, 2865 + ... + 10658.

It is an arithmetic number, because the mean of its divisors is an integer number (6358534).

Almost surely, 2^52699131 is an apocalyptic number.

52699131 is a deficient number, since it is larger than the sum of its proper divisors (23603277).

52699131 is a wasteful number, since it uses less digits than its factorization.

52699131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13962 (or 13959 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 52699131 is about 7259.4167121057. The cubic root of 52699131 is about 374.9164400487.

It can be divided in two parts, 5269 and 9131, that added together give a square (14400 = 120²).

The spelling of 52699131 in words is "fifty-two million, six hundred ninety-nine thousand, one hundred thirty-one".