662085497 has 2 divisors, whose sum is σ = 662085498. Its totient is φ = 662085496.

The previous prime is 662085467. The next prime is 662085499. The reversal of 662085497 is 794580266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522396736 + 139688761 = 22856^2 + 11819^2 .

It is a cyclic number.

It is not a de Polignac number, because 662085497 - 2⁸ = 662085241 is a prime.

Together with 662085499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (662085499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331042748 + 331042749.

It is an arithmetic number, because the mean of its divisors is an integer number (331042749).

Almost surely, 2^662085497 is an apocalyptic number.

It is an amenable number.

662085497 is a deficient number, since it is larger than the sum of its proper divisors (1).

662085497 is an equidigital number, since it uses as much as digits as its factorization.

662085497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 662085497 is about 25731.0220745310. The cubic root of 662085497 is about 871.5748535109.

The spelling of 662085497 in words is "six hundred sixty-two million, eighty-five thousand, four hundred ninety-seven".