495207971 has 4 divisors (see below), whose sum is σ = 495331200. Its totient is φ = 495084744.

The previous prime is 495207961. The next prime is 495207997. The reversal of 495207971 is 179702594.

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

It is a cyclic number.

It is not a de Polignac number, because 495207971 - 2¹⁸ = 494945827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495207901) 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, 55376 + ... + 63693.

It is an arithmetic number, because the mean of its divisors is an integer number (123832800).

Almost surely, 2^495207971 is an apocalyptic number.

495207971 is a deficient number, since it is larger than the sum of its proper divisors (123229).

495207971 is a wasteful number, since it uses less digits than its factorization.

495207971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123228.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 495207971 is about 22253.2687711266. The cubic root of 495207971 is about 791.1567580946.

The spelling of 495207971 in words is "four hundred ninety-five million, two hundred seven thousand, nine hundred seventy-one".