497481265 has 4 divisors (see below), whose sum is σ = 596977524. Its totient is φ = 397985008.

The previous prime is 497481263. The next prime is 497481269. The reversal of 497481265 is 562184794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562184794 = 2 ⋅281092397.

It can be written as a sum of positive squares in 2 ways, for example, as 249387264 + 248094001 = 15792^2 + 15751^2 .

It is a cyclic number.

It is not a de Polignac number, because 497481265 - 2¹ = 497481263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497481263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49748122 + ... + 49748131.

It is an arithmetic number, because the mean of its divisors is an integer number (149244381).

Almost surely, 2^497481265 is an apocalyptic number.

It is an amenable number.

497481265 is a deficient number, since it is larger than the sum of its proper divisors (99496259).

497481265 is an equidigital number, since it uses as much as digits as its factorization.

497481265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99496258.

The product of its digits is 483840, while the sum is 46.

The square root of 497481265 is about 22304.2880406437. The cubic root of 497481265 is about 792.3655342786.

The spelling of 497481265 in words is "four hundred ninety-seven million, four hundred eighty-one thousand, two hundred sixty-five".