495258 has 16 divisors (see below), whose sum is σ = 997920. Its totient is φ = 163856.

The previous prime is 495241. The next prime is 495269. The reversal of 495258 is 852594.

495258 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 495258.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 973 + ... + 1391.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2⁴⁹⁵²⁵⁸ is an apocalyptic number.

495258 is an abundant number, since it is smaller than the sum of its proper divisors (502662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495258 is a wasteful number, since it uses less digits than its factorization.

495258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621.

The product of its digits is 14400, while the sum is 33.

The square root of 495258 is about 703.7456927044. The cubic root of 495258 is about 79.1183399729.

The spelling of 495258 in words is "four hundred ninety-five thousand, two hundred fifty-eight".