497542499 has 2 divisors, whose sum is σ = 497542500. Its totient is φ = 497542498.

The previous prime is 497542477. The next prime is 497542541. The reversal of 497542499 is 994245794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 497542499 - 2²⁴ = 480765283 is a prime.

It is a super-2 number, since 2×497542499² = 495097076622330002, which contains 22 as substring.

It is a Sophie Germain 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 497542499.

It is not a weakly prime, because it can be changed into another prime (497542099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248771249 + 248771250.

It is an arithmetic number, because the mean of its divisors is an integer number (248771250).

Almost surely, 2^497542499 is an apocalyptic number.

497542499 is a deficient number, since it is larger than the sum of its proper divisors (1).

497542499 is an equidigital number, since it uses as much as digits as its factorization.

497542499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 53.

The square root of 497542499 is about 22305.6606940929. The cubic root of 497542499 is about 792.3980431883.

It can be divided in two parts, 4975 and 42499, that added together give a palindrome (47474).

The spelling of 497542499 in words is "four hundred ninety-seven million, five hundred forty-two thousand, four hundred ninety-nine".