252036131 has 4 divisors (see below), whose sum is σ = 252091512. Its totient is φ = 251980752.

The previous prime is 252036097. The next prime is 252036133. The reversal of 252036131 is 131630252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252036131 is a prime.

It is a super-2 number, since 2×252036131² = 127044422658898322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252036097 and 252036106.

It is not an unprimeable number, because it can be changed into a prime (252036133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20186 + ... + 30191.

It is an arithmetic number, because the mean of its divisors is an integer number (63022878).

Almost surely, 2^252036131 is an apocalyptic number.

252036131 is a deficient number, since it is larger than the sum of its proper divisors (55381).

252036131 is an equidigital number, since it uses as much as digits as its factorization.

252036131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55380.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 252036131 is about 15875.6458451302. The cubic root of 252036131 is about 631.6661456760. Note that the first 3 decimals are identical.

Adding to 252036131 its reverse (131630252), we get a palindrome (383666383).

The spelling of 252036131 in words is "two hundred fifty-two million, thirty-six thousand, one hundred thirty-one".