253373 has 4 divisors (see below), whose sum is σ = 262140. Its totient is φ = 244608.

The previous prime is 253369. The next prime is 253381. The reversal of 253373 is 373352.

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 114244 + 139129 = 338^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 253373 - 2² = 253369 is a prime.

It is a d-powerful number, because it can be written as 2 + 5³ + 3⁵ + 3¹⁰ + 7⁵ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253343) 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, 4340 + ... + 4397.

It is an arithmetic number, because the mean of its divisors is an integer number (65535).

2²⁵³³⁷³ is an apocalyptic number.

It is an amenable number.

253373 is a deficient number, since it is larger than the sum of its proper divisors (8767).

253373 is an equidigital number, since it uses as much as digits as its factorization.

253373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8766.

The product of its digits is 1890, while the sum is 23.

The square root of 253373 is about 503.3616989800. The cubic root of 253373 is about 63.2781020484.

It can be divided in two parts, 253 and 373, that added together give a palindrome (626).

The spelling of 253373 in words is "two hundred fifty-three thousand, three hundred seventy-three".