497512109 has 2 divisors, whose sum is σ = 497512110. Its totient is φ = 497512108.

The previous prime is 497512097. The next prime is 497512111. The reversal of 497512109 is 901215794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490489609 + 7022500 = 22147^2 + 2650^2 .

It is a cyclic number.

It is not a de Polignac number, because 497512109 - 2⁸ = 497511853 is a prime.

Together with 497512111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497512159) 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, 248756054 + 248756055.

It is an arithmetic number, because the mean of its divisors is an integer number (248756055).

Almost surely, 2^497512109 is an apocalyptic number.

It is an amenable number.

497512109 is a deficient number, since it is larger than the sum of its proper divisors (1).

497512109 is an equidigital number, since it uses as much as digits as its factorization.

497512109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 497512109 is about 22304.9794664779. The cubic root of 497512109 is about 792.3819095803.

The spelling of 497512109 in words is "four hundred ninety-seven million, five hundred twelve thousand, one hundred nine".