52881131 has 2 divisors, whose sum is σ = 52881132. Its totient is φ = 52881130.

The previous prime is 52881107. The next prime is 52881137. The reversal of 52881131 is 13118825.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52881131 is a prime.

It is a super-2 number, since 2×52881131² = 5592828031678322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52881094 and 52881103.

It is not a weakly prime, because it can be changed into another prime (52881137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26440565 + 26440566.

It is an arithmetic number, because the mean of its divisors is an integer number (26440566).

Almost surely, 2^52881131 is an apocalyptic number.

52881131 is a deficient number, since it is larger than the sum of its proper divisors (1).

52881131 is an equidigital number, since it uses as much as digits as its factorization.

52881131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 29.

The square root of 52881131 is about 7271.9413501485. The cubic root of 52881131 is about 375.3475438766.

Adding to 52881131 its reverse (13118825), we get a palindrome (65999956).

The spelling of 52881131 in words is "fifty-two million, eight hundred eighty-one thousand, one hundred thirty-one".