461703509 has 2 divisors, whose sum is σ = 461703510. Its totient is φ = 461703508.

The previous prime is 461703481. The next prime is 461703521. The reversal of 461703509 is 905307164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233784100 + 227919409 = 15290^2 + 15097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461703509 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461703569) 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, 230851754 + 230851755.

It is an arithmetic number, because the mean of its divisors is an integer number (230851755).

Almost surely, 2^461703509 is an apocalyptic number.

It is an amenable number.

461703509 is a deficient number, since it is larger than the sum of its proper divisors (1).

461703509 is an equidigital number, since it uses as much as digits as its factorization.

461703509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 461703509 is about 21487.2871484513. The cubic root of 461703509 is about 772.8959977495.

The spelling of 461703509 in words is "four hundred sixty-one million, seven hundred three thousand, five hundred nine".