497258669 has 2 divisors, whose sum is σ = 497258670. Its totient is φ = 497258668.

The previous prime is 497258659. The next prime is 497258681. The reversal of 497258669 is 966852794.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379275625 + 117983044 = 19475^2 + 10862^2 .

It is a cyclic number.

It is not a de Polignac number, because 497258669 - 2²⁴ = 480481453 is a prime.

It is a super-2 number, since 2×497258669² = 494532367791303122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497258659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248629334 + 248629335.

It is an arithmetic number, because the mean of its divisors is an integer number (248629335).

Almost surely, 2^497258669 is an apocalyptic number.

It is an amenable number.

497258669 is a deficient number, since it is larger than the sum of its proper divisors (1).

497258669 is an equidigital number, since it uses as much as digits as its factorization.

497258669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 56.

The square root of 497258669 is about 22299.2975001456. The cubic root of 497258669 is about 792.2473363859.

The spelling of 497258669 in words is "four hundred ninety-seven million, two hundred fifty-eight thousand, six hundred sixty-nine".