253357 has 4 divisors (see below), whose sum is σ = 272860. Its totient is φ = 233856.

The previous prime is 253349. The next prime is 253361. The reversal of 253357 is 753352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17161 + 236196 = 131^2 + 486^2 .

It is a cyclic number.

It is not a de Polignac number, because 253357 - 2³ = 253349 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 (253307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9732 + ... + 9757.

It is an arithmetic number, because the mean of its divisors is an integer number (68215).

2²⁵³³⁵⁷ is an apocalyptic number.

It is an amenable number.

253357 is a deficient number, since it is larger than the sum of its proper divisors (19503).

253357 is a wasteful number, since it uses less digits than its factorization.

253357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19502.

The product of its digits is 3150, while the sum is 25.

The square root of 253357 is about 503.3458055850. The cubic root of 253357 is about 63.2767700583.

The spelling of 253357 in words is "two hundred fifty-three thousand, three hundred fifty-seven".