460563721 has 2 divisors, whose sum is σ = 460563722. Its totient is φ = 460563720.

The previous prime is 460563713. The next prime is 460563751. The reversal of 460563721 is 127365064.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371525625 + 89038096 = 19275^2 + 9436^2 .

It is a cyclic number.

It is not a de Polignac number, because 460563721 - 2³ = 460563713 is a prime.

It is a super-2 number, since 2×460563721² = 424237882202731682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (460563751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230281860 + 230281861.

It is an arithmetic number, because the mean of its divisors is an integer number (230281861).

Almost surely, 2^460563721 is an apocalyptic number.

It is an amenable number.

460563721 is a deficient number, since it is larger than the sum of its proper divisors (1).

460563721 is an equidigital number, since it uses as much as digits as its factorization.

460563721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 460563721 is about 21460.7483793087. The cubic root of 460563721 is about 772.2594684088.

The spelling of 460563721 in words is "four hundred sixty million, five hundred sixty-three thousand, seven hundred twenty-one".