662005241 has 2 divisors, whose sum is σ = 662005242. Its totient is φ = 662005240.

The previous prime is 662005237. The next prime is 662005259. The reversal of 662005241 is 142500266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656435641 + 5569600 = 25621^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 662005241 - 2² = 662005237 is a prime.

It is a super-2 number, since 2×662005241² = 876501878222936162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 662005241.

It is not a weakly prime, because it can be changed into another prime (662055241) 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, 331002620 + 331002621.

It is an arithmetic number, because the mean of its divisors is an integer number (331002621).

Almost surely, 2^662005241 is an apocalyptic number.

It is an amenable number.

662005241 is a deficient number, since it is larger than the sum of its proper divisors (1).

662005241 is an equidigital number, since it uses as much as digits as its factorization.

662005241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 662005241 is about 25729.4625089604. The cubic root of 662005241 is about 871.5396355326.

The spelling of 662005241 in words is "six hundred sixty-two million, five thousand, two hundred forty-one".