495311 has 8 divisors (see below), whose sum is σ = 528000. Its totient is φ = 463320.

The previous prime is 495307. The next prime is 495323. The reversal of 495311 is 113594.

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 495311 - 2² = 495307 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495301) 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, 2390 + ... + 2588.

It is an arithmetic number, because the mean of its divisors is an integer number (66000).

2⁴⁹⁵³¹¹ is an apocalyptic number.

495311 is a deficient number, since it is larger than the sum of its proper divisors (32689).

495311 is a wasteful number, since it uses less digits than its factorization.

495311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349.

The product of its digits is 540, while the sum is 23.

The square root of 495311 is about 703.7833473449. The cubic root of 495311 is about 79.1211621534.

The spelling of 495311 in words is "four hundred ninety-five thousand, three hundred eleven".