497774513 has 2 divisors, whose sum is σ = 497774514. Its totient is φ = 497774512.

The previous prime is 497774479. The next prime is 497774527. The reversal of 497774513 is 315477794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447407104 + 50367409 = 21152^2 + 7097^2 .

It is a cyclic number.

It is not a de Polignac number, because 497774513 - 2²⁰ = 496725937 is a prime.

It is not a weakly prime, because it can be changed into another prime (497774573) 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, 248887256 + 248887257.

It is an arithmetic number, because the mean of its divisors is an integer number (248887257).

Almost surely, 2^497774513 is an apocalyptic number.

It is an amenable number.

497774513 is a deficient number, since it is larger than the sum of its proper divisors (1).

497774513 is an equidigital number, since it uses as much as digits as its factorization.

497774513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 47.

The square root of 497774513 is about 22310.8608753674. The cubic root of 497774513 is about 792.5211943898.

The spelling of 497774513 in words is "four hundred ninety-seven million, seven hundred seventy-four thousand, five hundred thirteen".