253399 has 8 divisors (see below), whose sum is σ = 266112. Its totient is φ = 241080.

The previous prime is 253387. The next prime is 253417. The reversal of 253399 is 993352.

253399 = 203² + 204² + ... + 208².

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

It is a cyclic number.

It is not a de Polignac number, because 253399 - 2⁵ = 253367 is a prime.

It is a super-2 number, since 2×253399² = 128422106402, which contains 22 as substring.

It is a Duffinian number.

253399 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 253399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3012 + ... + 3094.

It is an arithmetic number, because the mean of its divisors is an integer number (33264).

2²⁵³³⁹⁹ is an apocalyptic number.

253399 is a deficient number, since it is larger than the sum of its proper divisors (12713).

253399 is an equidigital number, since it uses as much as digits as its factorization.

253399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197.

The product of its digits is 7290, while the sum is 31.

The square root of 253399 is about 503.3875246766. The cubic root of 253399 is about 63.2802664126.

The spelling of 253399 in words is "two hundred fifty-three thousand, three hundred ninety-nine".