253039 has 4 divisors (see below), whose sum is σ = 255024. Its totient is φ = 251056.

The previous prime is 253013. The next prime is 253049. The reversal of 253039 is 930352.

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

It is a cyclic number.

It is not a de Polignac number, because 253039 - 2⁷ = 252911 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253049) 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, 787 + ... + 1060.

It is an arithmetic number, because the mean of its divisors is an integer number (63756).

2²⁵³⁰³⁹ is an apocalyptic number.

253039 is a deficient number, since it is larger than the sum of its proper divisors (1985).

253039 is a wasteful number, since it uses less digits than its factorization.

253039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 253039 is about 503.0298201896. The cubic root of 253039 is about 63.2502851149.

The spelling of 253039 in words is "two hundred fifty-three thousand, thirty-nine".