495996761 has 8 divisors (see below), whose sum is σ = 539052360. Its totient is φ = 453641472.

The previous prime is 495996751. The next prime is 495996769. The reversal of 495996761 is 167699594.

It can be written as a sum of positive squares in 4 ways, for example, as 44689225 + 451307536 = 6685^2 + 21244^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495996761 is a prime.

It is a super-2 number, since 2×495996761² = 492025573844982242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 495996697 and 495996706.

It is not an unprimeable number, because it can be changed into a prime (495996769) 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, 173600 + ... + 176433.

It is an arithmetic number, because the mean of its divisors is an integer number (67381545).

Almost surely, 2^495996761 is an apocalyptic number.

It is an amenable number.

495996761 is a deficient number, since it is larger than the sum of its proper divisors (43055599).

495996761 is a wasteful number, since it uses less digits than its factorization.

495996761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350155.

The product of its digits is 3674160, while the sum is 56.

The square root of 495996761 is about 22270.9847335047. The cubic root of 495996761 is about 791.5765988663.

The spelling of 495996761 in words is "four hundred ninety-five million, nine hundred ninety-six thousand, seven hundred sixty-one".