495761 has 4 divisors (see below), whose sum is σ = 566592. Its totient is φ = 424932.

The previous prime is 495757. The next prime is 495769. The reversal of 495761 is 167594.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 495761 - 2² = 495757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 495761.

It is not an unprimeable number, because it can be changed into a prime (495769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35405 + ... + 35418.

It is an arithmetic number, because the mean of its divisors is an integer number (141648).

2⁴⁹⁵⁷⁶¹ is an apocalyptic number.

It is an amenable number.

495761 is a deficient number, since it is larger than the sum of its proper divisors (70831).

495761 is an equidigital number, since it uses as much as digits as its factorization.

495761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70830.

The product of its digits is 7560, while the sum is 32.

The square root of 495761 is about 704.1029754233. The cubic root of 495761 is about 79.1451159561.

The spelling of 495761 in words is "four hundred ninety-five thousand, seven hundred sixty-one".