495564565 has 4 divisors (see below), whose sum is σ = 594677484. Its totient is φ = 396451648.

The previous prime is 495564547. The next prime is 495564583. The reversal of 495564565 is 565465594.

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

It is an interprime number because it is at equal distance from previous prime (495564547) and next prime (495564583).

It can be written as a sum of positive squares in 2 ways, for example, as 114768369 + 380796196 = 10713^2 + 19514^2 .

It is a cyclic number.

It is not a de Polignac number, because 495564565 - 2¹⁹ = 495040277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49556452 + ... + 49556461.

It is an arithmetic number, because the mean of its divisors is an integer number (148669371).

Almost surely, 2^495564565 is an apocalyptic number.

It is an amenable number.

495564565 is a deficient number, since it is larger than the sum of its proper divisors (99112919).

495564565 is an equidigital number, since it uses as much as digits as its factorization.

495564565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99112918.

The product of its digits is 3240000, while the sum is 49.

The square root of 495564565 is about 22261.2795005139. The cubic root of 495564565 is about 791.3466137236.

The spelling of 495564565 in words is "four hundred ninety-five million, five hundred sixty-four thousand, five hundred sixty-five".