202459 has 4 divisors (see below), whose sum is σ = 205840. Its totient is φ = 199080.

The previous prime is 202441. The next prime is 202471. The reversal of 202459 is 954202.

It is a happy number.

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 202459 - 2⁹ = 201947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202409) 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, 1599 + ... + 1720.

It is an arithmetic number, because the mean of its divisors is an integer number (51460).

2²⁰²⁴⁵⁹ is an apocalyptic number.

202459 is a deficient number, since it is larger than the sum of its proper divisors (3381).

202459 is an equidigital number, since it uses as much as digits as its factorization.

202459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 202459 is about 449.9544421383. The cubic root of 202459 is about 58.7190511507.

The spelling of 202459 in words is "two hundred two thousand, four hundred fifty-nine".