497122961 has 4 divisors (see below), whose sum is σ = 497170800. Its totient is φ = 497075124.

The previous prime is 497122937. The next prime is 497122981. The reversal of 497122961 is 169221794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 497122961 - 2¹⁸ = 496860817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497122921) 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, 1031 + ... + 31548.

It is an arithmetic number, because the mean of its divisors is an integer number (124292700).

Almost surely, 2^497122961 is an apocalyptic number.

It is an amenable number.

497122961 is a deficient number, since it is larger than the sum of its proper divisors (47839).

497122961 is a wasteful number, since it uses less digits than its factorization.

497122961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47838.

The product of its digits is 54432, while the sum is 41.

The square root of 497122961 is about 22296.2544163812. The cubic root of 497122961 is about 792.1752584847.

The spelling of 497122961 in words is "four hundred ninety-seven million, one hundred twenty-two thousand, nine hundred sixty-one".