253235353 has 4 divisors (see below), whose sum is σ = 289411840. Its totient is φ = 217058868.

The previous prime is 253235327. The next prime is 253235357. The reversal of 253235353 is 353532352.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253235353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253235357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18088233 + ... + 18088246.

It is an arithmetic number, because the mean of its divisors is an integer number (72352960).

Almost surely, 2^253235353 is an apocalyptic number.

It is an amenable number.

253235353 is a deficient number, since it is larger than the sum of its proper divisors (36176487).

253235353 is an equidigital number, since it uses as much as digits as its factorization.

253235353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36176486.

The product of its digits is 40500, while the sum is 31.

The square root of 253235353 is about 15913.3702589992. The cubic root of 253235353 is about 632.6664118676. Note that the first 3 decimals are identical.

The spelling of 253235353 in words is "two hundred fifty-three million, two hundred thirty-five thousand, three hundred fifty-three".