495264531 has 4 divisors (see below), whose sum is σ = 660352712. Its totient is φ = 330176352.

The previous prime is 495264487. The next prime is 495264533. The reversal of 495264531 is 135462594.

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

It is not a de Polignac number, because 495264531 - 2⁹ = 495264019 is a prime.

It is a super-2 number, since 2×495264531² = 490573911333299922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 495264531.

It is not an unprimeable number, because it can be changed into a prime (495264533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82544086 + ... + 82544091.

It is an arithmetic number, because the mean of its divisors is an integer number (165088178).

Almost surely, 2^495264531 is an apocalyptic number.

495264531 is a deficient number, since it is larger than the sum of its proper divisors (165088181).

495264531 is a wasteful number, since it uses less digits than its factorization.

495264531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165088180.

The product of its digits is 129600, while the sum is 39.

The square root of 495264531 is about 22254.5395593798. The cubic root of 495264531 is about 791.1868775093.

The spelling of 495264531 in words is "four hundred ninety-five million, two hundred sixty-four thousand, five hundred thirty-one".