495306731 has 8 divisors (see below), whose sum is σ = 499752960. Its totient is φ = 490869288.

The previous prime is 495306719. The next prime is 495306767. The reversal of 495306731 is 137603594.

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 495306731 - 2⁶ = 495306667 is a prime.

It is a super-2 number, since 2×495306731² = 490657515547812722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495306701) 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, 167060 + ... + 169998.

It is an arithmetic number, because the mean of its divisors is an integer number (62469120).

Almost surely, 2^495306731 is an apocalyptic number.

495306731 is a deficient number, since it is larger than the sum of its proper divisors (4446229).

495306731 is a wasteful number, since it uses less digits than its factorization.

495306731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 495306731 is about 22255.4876603502. The cubic root of 495306731 is about 791.2093484219.

The spelling of 495306731 in words is "four hundred ninety-five million, three hundred six thousand, seven hundred thirty-one".