462282721 has 2 divisors, whose sum is σ = 462282722. Its totient is φ = 462282720.

The previous prime is 462282713. The next prime is 462282763. The reversal of 462282721 is 127282264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333573696 + 128709025 = 18264^2 + 11345^2 .

It is a cyclic number.

It is not a de Polignac number, because 462282721 - 2³ = 462282713 is a prime.

It is not a weakly prime, because it can be changed into another prime (462283721) 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, 231141360 + 231141361.

It is an arithmetic number, because the mean of its divisors is an integer number (231141361).

Almost surely, 2^462282721 is an apocalyptic number.

It is an amenable number.

462282721 is a deficient number, since it is larger than the sum of its proper divisors (1).

462282721 is an equidigital number, since it uses as much as digits as its factorization.

462282721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 34.

The square root of 462282721 is about 21500.7609400226. The cubic root of 462282721 is about 773.2190647941.

The spelling of 462282721 in words is "four hundred sixty-two million, two hundred eighty-two thousand, seven hundred twenty-one".