497155499 has 2 divisors, whose sum is σ = 497155500. Its totient is φ = 497155498.

The previous prime is 497155487. The next prime is 497155523. The reversal of 497155499 is 994551794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 497155499 - 2¹⁶ = 497089963 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 497155499.

It is not a weakly prime, because it can be changed into another prime (497055499) 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, 248577749 + 248577750.

It is an arithmetic number, because the mean of its divisors is an integer number (248577750).

Almost surely, 2^497155499 is an apocalyptic number.

497155499 is a deficient number, since it is larger than the sum of its proper divisors (1).

497155499 is an equidigital number, since it uses as much as digits as its factorization.

497155499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 53.

The square root of 497155499 is about 22296.9840785699. The cubic root of 497155499 is about 792.1925414229.

The spelling of 497155499 in words is "four hundred ninety-seven million, one hundred fifty-five thousand, four hundred ninety-nine".