495291 has 8 divisors (see below), whose sum is σ = 683280. Its totient is φ = 318752.

The previous prime is 495289. The next prime is 495301. The reversal of 495291 is 192594.

It is a happy number.

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 495291 - 2¹ = 495289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (495211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2760 + ... + 2933.

It is an arithmetic number, because the mean of its divisors is an integer number (85410).

2⁴⁹⁵²⁹¹ is an apocalyptic number.

495291 is a deficient number, since it is larger than the sum of its proper divisors (187989).

495291 is a wasteful number, since it uses less digits than its factorization.

495291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725.

The product of its digits is 3240, while the sum is 30.

The square root of 495291 is about 703.7691382833. The cubic root of 495291 is about 79.1200972033.

The spelling of 495291 in words is "four hundred ninety-five thousand, two hundred ninety-one".