115214557 has 2 divisors, whose sum is σ = 115214558. Its totient is φ = 115214556.

The previous prime is 115214509. The next prime is 115214573. The reversal of 115214557 is 755412511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99580441 + 15634116 = 9979^2 + 3954^2 .

It is a cyclic number.

It is not a de Polignac number, because 115214557 - 2¹⁵ = 115181789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115214357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57607278 + 57607279.

It is an arithmetic number, because the mean of its divisors is an integer number (57607279).

Almost surely, 2^115214557 is an apocalyptic number.

It is an amenable number.

115214557 is a deficient number, since it is larger than the sum of its proper divisors (1).

115214557 is an equidigital number, since it uses as much as digits as its factorization.

115214557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7000, while the sum is 31.

The square root of 115214557 is about 10733.8044047765. The cubic root of 115214557 is about 486.5966538323.

The spelling of 115214557 in words is "one hundred fifteen million, two hundred fourteen thousand, five hundred fifty-seven".