118433257 has 2 divisors, whose sum is σ = 118433258. Its totient is φ = 118433256.

The previous prime is 118433221. The next prime is 118433261. The reversal of 118433257 is 752334811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116553616 + 1879641 = 10796^2 + 1371^2 .

It is a cyclic number.

It is not a de Polignac number, because 118433257 - 2¹⁵ = 118400489 is a prime.

It is not a weakly prime, because it can be changed into another prime (118433207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59216628 + 59216629.

It is an arithmetic number, because the mean of its divisors is an integer number (59216629).

Almost surely, 2^118433257 is an apocalyptic number.

It is an amenable number.

118433257 is a deficient number, since it is larger than the sum of its proper divisors (1).

118433257 is an equidigital number, since it uses as much as digits as its factorization.

118433257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 118433257 is about 10882.7044892343. The cubic root of 118433257 is about 491.0863817667.

The spelling of 118433257 in words is "one hundred eighteen million, four hundred thirty-three thousand, two hundred fifty-seven".