115334561 has 2 divisors, whose sum is σ = 115334562. Its totient is φ = 115334560.

The previous prime is 115334509. The next prime is 115334563. The reversal of 115334561 is 165433511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114490000 + 844561 = 10700^2 + 919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115334561 is a prime.

It is a super-2 number, since 2×115334561² = 26604121922125442, which contains 22 as substring.

Together with 115334563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115334563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57667280 + 57667281.

It is an arithmetic number, because the mean of its divisors is an integer number (57667281).

Almost surely, 2^115334561 is an apocalyptic number.

It is an amenable number.

115334561 is a deficient number, since it is larger than the sum of its proper divisors (1).

115334561 is an equidigital number, since it uses as much as digits as its factorization.

115334561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 29.

The square root of 115334561 is about 10739.3929530491. The cubic root of 115334561 is about 486.7655366669.

The spelling of 115334561 in words is "one hundred fifteen million, three hundred thirty-four thousand, five hundred sixty-one".