497262239 has 2 divisors, whose sum is σ = 497262240. Its totient is φ = 497262238.

The previous prime is 497262229. The next prime is 497262247. The reversal of 497262239 is 932262794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497262239 - 2¹⁶ = 497196703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 497262239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497262229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248631119 + 248631120.

It is an arithmetic number, because the mean of its divisors is an integer number (248631120).

Almost surely, 2^497262239 is an apocalyptic number.

497262239 is a deficient number, since it is larger than the sum of its proper divisors (1).

497262239 is an equidigital number, since it uses as much as digits as its factorization.

497262239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 497262239 is about 22299.3775473667. The cubic root of 497262239 is about 792.2492323249.

The spelling of 497262239 in words is "four hundred ninety-seven million, two hundred sixty-two thousand, two hundred thirty-nine".