253044311 has 4 divisors (see below), whose sum is σ = 272509272. Its totient is φ = 233579352.

The previous prime is 253044271. The next prime is 253044317. The reversal of 253044311 is 113440352.

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 253044311 - 2²⁶ = 185935447 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 (253044317) 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, 9732461 + ... + 9732486.

It is an arithmetic number, because the mean of its divisors is an integer number (68127318).

Almost surely, 2^253044311 is an apocalyptic number.

253044311 is a deficient number, since it is larger than the sum of its proper divisors (19464961).

253044311 is a wasteful number, since it uses less digits than its factorization.

253044311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19464960.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 253044311 is about 15907.3665639539. The cubic root of 253044311 is about 632.5072762889.

Adding to 253044311 its reverse (113440352), we get a palindrome (366484663).

The spelling of 253044311 in words is "two hundred fifty-three million, forty-four thousand, three hundred eleven".