115592749 has 2 divisors, whose sum is σ = 115592750. Its totient is φ = 115592748.

The previous prime is 115592731. The next prime is 115592777. The reversal of 115592749 is 947295511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59567524 + 56025225 = 7718^2 + 7485^2 .

It is an emirp because it is prime and its reverse (947295511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115592749 - 2⁵ = 115592717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115592249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57796374 + 57796375.

It is an arithmetic number, because the mean of its divisors is an integer number (57796375).

Almost surely, 2^115592749 is an apocalyptic number.

It is an amenable number.

115592749 is a deficient number, since it is larger than the sum of its proper divisors (1).

115592749 is an equidigital number, since it uses as much as digits as its factorization.

115592749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 43.

The square root of 115592749 is about 10751.4068381770. The cubic root of 115592749 is about 487.1284904815.

The spelling of 115592749 in words is "one hundred fifteen million, five hundred ninety-two thousand, seven hundred forty-nine".