495731 has 8 divisors (see below), whose sum is σ = 517104. Its totient is φ = 474880.

The previous prime is 495713. The next prime is 495749. The reversal of 495731 is 137594.

It is an interprime number because it is at equal distance from previous prime (495713) and next prime (495749).

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 495731 - 2⁶ = 495667 is a prime.

It is a super-2 number, since 2×495731² = 491498448722, 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 = 495694 and 495703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4331 + ... + 4443.

It is an arithmetic number, because the mean of its divisors is an integer number (64638).

2⁴⁹⁵⁷³¹ is an apocalyptic number.

495731 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

495731 is a deficient number, since it is larger than the sum of its proper divisors (21373).

495731 is a wasteful number, since it uses less digits than its factorization.

495731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261.

The product of its digits is 3780, while the sum is 29.

The square root of 495731 is about 704.0816713990. The cubic root of 495731 is about 79.1435194870.

The spelling of 495731 in words is "four hundred ninety-five thousand, seven hundred thirty-one".