461522729 has 2 divisors, whose sum is σ = 461522730. Its totient is φ = 461522728.

The previous prime is 461522693. The next prime is 461522753. The reversal of 461522729 is 927225164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393427225 + 68095504 = 19835^2 + 8252^2 .

It is a cyclic number.

It is not a de Polignac number, because 461522729 - 2²⁰ = 460474153 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 461522692 and 461522701.

It is not a weakly prime, because it can be changed into another prime (461522329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230761364 + 230761365.

It is an arithmetic number, because the mean of its divisors is an integer number (230761365).

Almost surely, 2^461522729 is an apocalyptic number.

It is an amenable number.

461522729 is a deficient number, since it is larger than the sum of its proper divisors (1).

461522729 is an equidigital number, since it uses as much as digits as its factorization.

461522729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 461522729 is about 21483.0800631567. The cubic root of 461522729 is about 772.7951087763.

The spelling of 461522729 in words is "four hundred sixty-one million, five hundred twenty-two thousand, seven hundred twenty-nine".