52565131 has 2 divisors, whose sum is σ = 52565132. Its totient is φ = 52565130.

The previous prime is 52565083. The next prime is 52565137. The reversal of 52565131 is 13156525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52565131 - 2¹³ = 52556939 is a prime.

It is a super-2 number, since 2×52565131² = 5526185994094322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52565131.

It is not a weakly prime, because it can be changed into another prime (52565137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26282565 + 26282566.

It is an arithmetic number, because the mean of its divisors is an integer number (26282566).

Almost surely, 2^52565131 is an apocalyptic number.

52565131 is a deficient number, since it is larger than the sum of its proper divisors (1).

52565131 is an equidigital number, since it uses as much as digits as its factorization.

52565131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4500, while the sum is 28.

The square root of 52565131 is about 7250.1814460053. The cubic root of 52565131 is about 374.5983991018.

It can be divided in two parts, 525 and 65131, that added together give a palindrome (65656).

The spelling of 52565131 in words is "fifty-two million, five hundred sixty-five thousand, one hundred thirty-one".