115524257 has 2 divisors, whose sum is σ = 115524258. Its totient is φ = 115524256.

The previous prime is 115524251. The next prime is 115524263. The reversal of 115524257 is 752425511.

It is a balanced prime because it is at equal distance from previous prime (115524251) and next prime (115524263).

It can be written as a sum of positive squares in only one way, i.e., 108076816 + 7447441 = 10396^2 + 2729^2 .

It is an emirp because it is prime and its reverse (752425511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115524257 - 2¹² = 115520161 is a prime.

It is not a weakly prime, because it can be changed into another prime (115524251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57762128 + 57762129.

It is an arithmetic number, because the mean of its divisors is an integer number (57762129).

Almost surely, 2^115524257 is an apocalyptic number.

It is an amenable number.

115524257 is a deficient number, since it is larger than the sum of its proper divisors (1).

115524257 is an equidigital number, since it uses as much as digits as its factorization.

115524257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14000, while the sum is 32.

The square root of 115524257 is about 10748.2211086300. The cubic root of 115524257 is about 487.0322589653.

Adding to 115524257 its reverse (752425511), we get a palindrome (867949768).

The spelling of 115524257 in words is "one hundred fifteen million, five hundred twenty-four thousand, two hundred fifty-seven".