497064961 has 8 divisors (see below), whose sum is σ = 502203240. Its totient is φ = 491937408.

The previous prime is 497064949. The next prime is 497064977. The reversal of 497064961 is 169460794.

It can be written as a sum of positive squares in 4 ways, for example, as 61716736 + 435348225 = 7856^2 + 20865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 497064961 - 2¹⁷ = 496933889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497064941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117495 + ... + 121651.

It is an arithmetic number, because the mean of its divisors is an integer number (62775405).

Almost surely, 2^497064961 is an apocalyptic number.

It is an amenable number.

497064961 is a deficient number, since it is larger than the sum of its proper divisors (5138279).

497064961 is a wasteful number, since it uses less digits than its factorization.

497064961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 497064961 is about 22294.9537115465. The cubic root of 497064961 is about 792.1444492379.

The spelling of 497064961 in words is "four hundred ninety-seven million, sixty-four thousand, nine hundred sixty-one".