662264761 has 2 divisors, whose sum is σ = 662264762. Its totient is φ = 662264760.

The previous prime is 662264711. The next prime is 662264791. The reversal of 662264761 is 167462266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364046400 + 298218361 = 19080^2 + 17269^2 .

It is a cyclic number.

It is not a de Polignac number, because 662264761 - 2⁷ = 662264633 is a prime.

It is a super-2 number, since 2×662264761² = 877189227324774242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (662264711) 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, 331132380 + 331132381.

It is an arithmetic number, because the mean of its divisors is an integer number (331132381).

Almost surely, 2^662264761 is an apocalyptic number.

It is an amenable number.

662264761 is a deficient number, since it is larger than the sum of its proper divisors (1).

662264761 is an equidigital number, since it uses as much as digits as its factorization.

662264761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 662264761 is about 25734.5052604475. The cubic root of 662264761 is about 871.6535079526.

The spelling of 662264761 in words is "six hundred sixty-two million, two hundred sixty-four thousand, seven hundred sixty-one".