495331 has 4 divisors (see below), whose sum is σ = 502792. Its totient is φ = 487872.

The previous prime is 495323. The next prime is 495337. The reversal of 495331 is 133594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133594 = 2 ⋅66797.

It is a cyclic number.

It is not a de Polignac number, because 495331 - 2³ = 495323 is a prime.

It is a super-2 number, since 2×495331² = 490705599122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 495296 and 495305.

It is not an unprimeable number, because it can be changed into a prime (495337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3630 + ... + 3763.

It is an arithmetic number, because the mean of its divisors is an integer number (125698).

2⁴⁹⁵³³¹ is an apocalyptic number.

495331 is a deficient number, since it is larger than the sum of its proper divisors (7461).

495331 is an equidigital number, since it uses as much as digits as its factorization.

495331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7460.

The product of its digits is 1620, while the sum is 25.

The square root of 495331 is about 703.7975561197. The cubic root of 495331 is about 79.1222270749.

The spelling of 495331 in words is "four hundred ninety-five thousand, three hundred thirty-one".