485697239 has 2 divisors, whose sum is σ = 485697240. Its totient is φ = 485697238.

The previous prime is 485697229. The next prime is 485697253. The reversal of 485697239 is 932796584.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 485697239 - 2⁸ = 485696983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485697229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242848619 + 242848620.

It is an arithmetic number, because the mean of its divisors is an integer number (242848620).

Almost surely, 2^485697239 is an apocalyptic number.

485697239 is a deficient number, since it is larger than the sum of its proper divisors (1).

485697239 is an equidigital number, since it uses as much as digits as its factorization.

485697239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 53.

The square root of 485697239 is about 22038.5398563516. The cubic root of 485697239 is about 786.0591213269.

The spelling of 485697239 in words is "four hundred eighty-five million, six hundred ninety-seven thousand, two hundred thirty-nine".