253119155 has 4 divisors (see below), whose sum is σ = 303742992. Its totient is φ = 202495320.

The previous prime is 253119151. The next prime is 253119169. The reversal of 253119155 is 551911352.

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

It is not a de Polignac number, because 253119155 - 2² = 253119151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253119151) 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, 25311911 + ... + 25311920.

It is an arithmetic number, because the mean of its divisors is an integer number (75935748).

Almost surely, 2^253119155 is an apocalyptic number.

253119155 is a deficient number, since it is larger than the sum of its proper divisors (50623837).

253119155 is an equidigital number, since it uses as much as digits as its factorization.

253119155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50623836.

The product of its digits is 6750, while the sum is 32.

The square root of 253119155 is about 15909.7188850086. The cubic root of 253119155 is about 632.5696299374.

The spelling of 253119155 in words is "two hundred fifty-three million, one hundred nineteen thousand, one hundred fifty-five".