662020241 has 2 divisors, whose sum is σ = 662020242. Its totient is φ = 662020240.

The previous prime is 662020213. The next prime is 662020279. The reversal of 662020241 is 142020266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543123025 + 118897216 = 23305^2 + 10904^2 .

It is a cyclic number.

It is not a de Polignac number, because 662020241 - 2¹⁰ = 662019217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (662020291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331010120 + 331010121.

It is an arithmetic number, because the mean of its divisors is an integer number (331010121).

Almost surely, 2^662020241 is an apocalyptic number.

It is an amenable number.

662020241 is a deficient number, since it is larger than the sum of its proper divisors (1).

662020241 is an equidigital number, since it uses as much as digits as its factorization.

662020241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 662020241 is about 25729.7540019332. The cubic root of 662020241 is about 871.5462180564.

The spelling of 662020241 in words is "six hundred sixty-two million, twenty thousand, two hundred forty-one".