118838253 has 4 divisors (see below), whose sum is σ = 158451008. Its totient is φ = 79225500.

The previous prime is 118838249. The next prime is 118838267. The reversal of 118838253 is 352838811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 118838253 - 2² = 118838249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118838273) 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, 19806373 + ... + 19806378.

It is an arithmetic number, because the mean of its divisors is an integer number (39612752).

Almost surely, 2^118838253 is an apocalyptic number.

It is an amenable number.

118838253 is a deficient number, since it is larger than the sum of its proper divisors (39612755).

118838253 is an equidigital number, since it uses as much as digits as its factorization.

118838253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39612754.

The product of its digits is 46080, while the sum is 39.

The square root of 118838253 is about 10901.2959321358. The cubic root of 118838253 is about 491.6455201604.

The spelling of 118838253 in words is "one hundred eighteen million, eight hundred thirty-eight thousand, two hundred fifty-three".