253558 has 8 divisors (see below), whose sum is σ = 384552. Its totient is φ = 125376.

The previous prime is 253553. The next prime is 253567. The reversal of 253558 is 855352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253553) by changing a digit.

253558 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 460 + ... + 847.

It is an arithmetic number, because the mean of its divisors is an integer number (48069).

2²⁵³⁵⁵⁸ is an apocalyptic number.

253558 is a deficient number, since it is larger than the sum of its proper divisors (130994).

253558 is a wasteful number, since it uses less digits than its factorization.

253558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406.

The product of its digits is 6000, while the sum is 28.

The square root of 253558 is about 503.5454299266. The cubic root of 253558 is about 63.2934991123.

The spelling of 253558 in words is "two hundred fifty-three thousand, five hundred fifty-eight".