497785133 has 2 divisors, whose sum is σ = 497785134. Its totient is φ = 497785132.

The previous prime is 497785103. The next prime is 497785207. The reversal of 497785133 is 331587794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321771844 + 176013289 = 17938^2 + 13267^2 .

It is a cyclic number.

It is not a de Polignac number, because 497785133 - 2⁸ = 497784877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497785103) 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, 248892566 + 248892567.

It is an arithmetic number, because the mean of its divisors is an integer number (248892567).

Almost surely, 2^497785133 is an apocalyptic number.

It is an amenable number.

497785133 is a deficient number, since it is larger than the sum of its proper divisors (1).

497785133 is an equidigital number, since it uses as much as digits as its factorization.

497785133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 497785133 is about 22311.0988747753. The cubic root of 497785133 is about 792.5268304861.

The spelling of 497785133 in words is "four hundred ninety-seven million, seven hundred eighty-five thousand, one hundred thirty-three".