115952251 has 4 divisors (see below), whose sum is σ = 117540712. Its totient is φ = 114363792.

The previous prime is 115952233. The next prime is 115952261. The reversal of 115952251 is 152259511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115952251 - 2⁵ = 115952219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115952201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794121 + ... + 794266.

It is an arithmetic number, because the mean of its divisors is an integer number (29385178).

Almost surely, 2^115952251 is an apocalyptic number.

115952251 is a deficient number, since it is larger than the sum of its proper divisors (1588461).

115952251 is an equidigital number, since it uses as much as digits as its factorization.

115952251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588460.

The product of its digits is 4500, while the sum is 31.

The square root of 115952251 is about 10768.1126944326. The cubic root of 115952251 is about 487.6329697329.

The spelling of 115952251 in words is "one hundred fifteen million, nine hundred fifty-two thousand, two hundred fifty-one".