497211273 has 12 divisors (see below), whose sum is σ = 773439940. Its totient is φ = 305976096.

The previous prime is 497211241. The next prime is 497211287. The reversal of 497211273 is 372112794.

It can be written as a sum of positive squares in 2 ways, for example, as 144072009 + 353139264 = 12003^2 + 18792^2 .

It is not a de Polignac number, because 497211273 - 2⁵ = 497211241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (497211173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2124718 + ... + 2124951.

Almost surely, 2^497211273 is an apocalyptic number.

It is an amenable number.

497211273 is a deficient number, since it is larger than the sum of its proper divisors (276228667).

497211273 is a wasteful number, since it uses less digits than its factorization.

497211273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249688 (or 4249685 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 497211273 is about 22298.2347507600. The cubic root of 497211273 is about 792.2221646794. Note that the first 3 decimals are identical.

The spelling of 497211273 in words is "four hundred ninety-seven million, two hundred eleven thousand, two hundred seventy-three".