662534797 has 2 divisors, whose sum is σ = 662534798. Its totient is φ = 662534796.

The previous prime is 662534749. The next prime is 662534833. The reversal of 662534797 is 797435266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 383611396 + 278923401 = 19586^2 + 16701^2 .

It is a cyclic number.

It is not a de Polignac number, because 662534797 - 2²³ = 654146189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 662534797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662534597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331267398 + 331267399.

It is an arithmetic number, because the mean of its divisors is an integer number (331267399).

Almost surely, 2^662534797 is an apocalyptic number.

It is an amenable number.

662534797 is a deficient number, since it is larger than the sum of its proper divisors (1).

662534797 is an equidigital number, since it uses as much as digits as its factorization.

662534797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 49.

The square root of 662534797 is about 25739.7513002748. The cubic root of 662534797 is about 871.7719630159.

The spelling of 662534797 in words is "six hundred sixty-two million, five hundred thirty-four thousand, seven hundred ninety-seven".