253390 has 8 divisors (see below), whose sum is σ = 456120. Its totient is φ = 101352.

The previous prime is 253387. The next prime is 253417. The reversal of 253390 is 93352.

253390 is nontrivially palindromic in base 9.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 12660 + ... + 12679.

It is an arithmetic number, because the mean of its divisors is an integer number (57015).

2²⁵³³⁹⁰ is an apocalyptic number.

253390 is a deficient number, since it is larger than the sum of its proper divisors (202730).

253390 is a wasteful number, since it uses less digits than its factorization.

253390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25346.

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

The square root of 253390 is about 503.3785851623. The cubic root of 253390 is about 63.2795172263.

The spelling of 253390 in words is "two hundred fifty-three thousand, three hundred ninety".