495931 has 2 divisors, whose sum is σ = 495932. Its totient is φ = 495930.

The previous prime is 495923. The next prime is 495947. The reversal of 495931 is 139594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495931 - 2³ = 495923 is a prime.

It is a super-2 number, since 2×495931² = 491895113522, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 495893 and 495902.

It is not a weakly prime, because it can be changed into another prime (493931) 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 as a sum of consecutive naturals, namely, 247965 + 247966.

It is an arithmetic number, because the mean of its divisors is an integer number (247966).

2⁴⁹⁵⁹³¹ is an apocalyptic number.

495931 is a deficient number, since it is larger than the sum of its proper divisors (1).

495931 is an equidigital number, since it uses as much as digits as its factorization.

495931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 31.

The square root of 495931 is about 704.2236860544. The cubic root of 495931 is about 79.1541613981.

It can be divided in two parts, 49593 and 1, that added together give a palindrome (49594).

The spelling of 495931 in words is "four hundred ninety-five thousand, nine hundred thirty-one".