497538659 has 2 divisors, whose sum is σ = 497538660. Its totient is φ = 497538658.

The previous prime is 497538641. The next prime is 497538673. The reversal of 497538659 is 956835794.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497538659 - 2²⁴ = 480761443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (497538059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248769329 + 248769330.

It is an arithmetic number, because the mean of its divisors is an integer number (248769330).

Almost surely, 2^497538659 is an apocalyptic number.

497538659 is a deficient number, since it is larger than the sum of its proper divisors (1).

497538659 is an equidigital number, since it uses as much as digits as its factorization.

497538659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 56.

The square root of 497538659 is about 22305.5746171221. The cubic root of 497538659 is about 792.3960046245.

It can be divided in two parts, 4975 and 38659, that added together give a palindrome (43634).

The spelling of 497538659 in words is "four hundred ninety-seven million, five hundred thirty-eight thousand, six hundred fifty-nine".