253136353 has 4 divisors (see below), whose sum is σ = 253168560. Its totient is φ = 253104148.

The previous prime is 253136339. The next prime is 253136363. The reversal of 253136353 is 353631352.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253136353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253136363) 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, 4326 + ... + 22912.

It is an arithmetic number, because the mean of its divisors is an integer number (63292140).

Almost surely, 2^253136353 is an apocalyptic number.

It is an amenable number.

253136353 is a deficient number, since it is larger than the sum of its proper divisors (32207).

253136353 is a wasteful number, since it uses less digits than its factorization.

253136353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32206.

The product of its digits is 24300, while the sum is 31.

The square root of 253136353 is about 15910.2593630651. The cubic root of 253136353 is about 632.5839561100.

The spelling of 253136353 in words is "two hundred fifty-three million, one hundred thirty-six thousand, three hundred fifty-three".