253073 has 4 divisors (see below), whose sum is σ = 255780. Its totient is φ = 250368.

The previous prime is 253063. The next prime is 253081. The reversal of 253073 is 370352.

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 117649 + 135424 = 343^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 253073 - 2⁸ = 252817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253073.

It is not an unprimeable number, because it can be changed into a prime (253003) 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, 1208 + ... + 1401.

It is an arithmetic number, because the mean of its divisors is an integer number (63945).

2²⁵³⁰⁷³ is an apocalyptic number.

It is an amenable number.

253073 is a deficient number, since it is larger than the sum of its proper divisors (2707).

253073 is an equidigital number, since it uses as much as digits as its factorization.

253073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 253073 is about 503.0636142676. The cubic root of 253073 is about 63.2531178974.

The spelling of 253073 in words is "two hundred fifty-three thousand, seventy-three".