495961285 has 4 divisors (see below), whose sum is σ = 595153548. Its totient is φ = 396769024.

The previous prime is 495961253. The next prime is 495961303. The reversal of 495961285 is 582169594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582169594 = 2 ⋅291084797.

It can be written as a sum of positive squares in 2 ways, for example, as 236944449 + 259016836 = 15393^2 + 16094^2 .

It is a cyclic number.

It is not a de Polignac number, because 495961285 - 2⁵ = 495961253 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 49596124 + ... + 49596133.

It is an arithmetic number, because the mean of its divisors is an integer number (148788387).

Almost surely, 2^495961285 is an apocalyptic number.

It is an amenable number.

495961285 is a deficient number, since it is larger than the sum of its proper divisors (99192263).

495961285 is an equidigital number, since it uses as much as digits as its factorization.

495961285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99192262.

The product of its digits is 777600, while the sum is 49.

The square root of 495961285 is about 22270.1882569501. The cubic root of 495961285 is about 791.5577260005.

The spelling of 495961285 in words is "four hundred ninety-five million, nine hundred sixty-one thousand, two hundred eighty-five".