115244531 has 2 divisors, whose sum is σ = 115244532. Its totient is φ = 115244530.

The previous prime is 115244527. The next prime is 115244533. The reversal of 115244531 is 135442511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115244531 - 2² = 115244527 is a prime.

It is a super-2 number, since 2×115244531² = 26562603850819922, which contains 22 as substring.

Together with 115244533, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115244531.

It is not a weakly prime, because it can be changed into another prime (115244533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57622265 + 57622266.

It is an arithmetic number, because the mean of its divisors is an integer number (57622266).

Almost surely, 2^115244531 is an apocalyptic number.

115244531 is a deficient number, since it is larger than the sum of its proper divisors (1).

115244531 is an equidigital number, since it uses as much as digits as its factorization.

115244531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 26.

The square root of 115244531 is about 10735.2005570460. The cubic root of 115244531 is about 486.6388475268.

The spelling of 115244531 in words is "one hundred fifteen million, two hundred forty-four thousand, five hundred thirty-one".