497154761 has 2 divisors, whose sum is σ = 497154762. Its totient is φ = 497154760.

The previous prime is 497154751. The next prime is 497154773. The reversal of 497154761 is 167451794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411481225 + 85673536 = 20285^2 + 9256^2 .

It is a cyclic number.

It is not a de Polignac number, because 497154761 - 2¹⁰ = 497153737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (497154701) 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 as a sum of consecutive naturals, namely, 248577380 + 248577381.

It is an arithmetic number, because the mean of its divisors is an integer number (248577381).

Almost surely, 2^497154761 is an apocalyptic number.

It is an amenable number.

497154761 is a deficient number, since it is larger than the sum of its proper divisors (1).

497154761 is an equidigital number, since it uses as much as digits as its factorization.

497154761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 497154761 is about 22296.9675292404. The cubic root of 497154761 is about 792.1921494340.

The spelling of 497154761 in words is "four hundred ninety-seven million, one hundred fifty-four thousand, seven hundred sixty-one".