118295257 has 2 divisors, whose sum is σ = 118295258. Its totient is φ = 118295256.

The previous prime is 118295239. The next prime is 118295269. The reversal of 118295257 is 752592811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117094041 + 1201216 = 10821^2 + 1096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118295257 is a prime.

It is not a weakly prime, because it can be changed into another prime (118295237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59147628 + 59147629.

It is an arithmetic number, because the mean of its divisors is an integer number (59147629).

Almost surely, 2^118295257 is an apocalyptic number.

It is an amenable number.

118295257 is a deficient number, since it is larger than the sum of its proper divisors (1).

118295257 is an equidigital number, since it uses as much as digits as its factorization.

118295257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 40.

The square root of 118295257 is about 10876.3623054770. The cubic root of 118295257 is about 490.8955675152.

The spelling of 118295257 in words is "one hundred eighteen million, two hundred ninety-five thousand, two hundred fifty-seven".