253459 has 4 divisors (see below), whose sum is σ = 255816. Its totient is φ = 251104.

The previous prime is 253447. The next prime is 253469. The reversal of 253459 is 954352.

253459 = T₂ + T₃ + ... + T₁₁₄.

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 253459 - 2⁵ = 253427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009 + ... + 1234.

It is an arithmetic number, because the mean of its divisors is an integer number (63954).

2²⁵³⁴⁵⁹ is an apocalyptic number.

253459 is a deficient number, since it is larger than the sum of its proper divisors (2357).

253459 is a wasteful number, since it uses less digits than its factorization.

253459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356.

The product of its digits is 5400, while the sum is 28.

The square root of 253459 is about 503.4471173818. The cubic root of 253459 is about 63.2852605343.

The spelling of 253459 in words is "two hundred fifty-three thousand, four hundred fifty-nine".