495961 has 4 divisors (see below), whose sum is σ = 501172. Its totient is φ = 490752.

The previous prime is 495959. The next prime is 495967. The reversal of 495961 is 169594.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81225 + 414736 = 285^2 + 644^2 .

It is a cyclic number.

It is not a de Polignac number, because 495961 - 2¹ = 495959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495967) 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, 2460 + ... + 2653.

It is an arithmetic number, because the mean of its divisors is an integer number (125293).

2⁴⁹⁵⁹⁶¹ is an apocalyptic number.

It is an amenable number.

495961 is a deficient number, since it is larger than the sum of its proper divisors (5211).

495961 is an equidigital number, since it uses as much as digits as its factorization.

495961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210.

The product of its digits is 9720, while the sum is 34.

The square root of 495961 is about 704.2449857826. The cubic root of 495961 is about 79.1557574380.

The spelling of 495961 in words is "four hundred ninety-five thousand, nine hundred sixty-one".