461872717 has 2 divisors, whose sum is σ = 461872718. Its totient is φ = 461872716.

The previous prime is 461872681. The next prime is 461872753. The reversal of 461872717 is 717278164.

It is a balanced prime because it is at equal distance from previous prime (461872681) and next prime (461872753).

It can be written as a sum of positive squares in only one way, i.e., 441252036 + 20620681 = 21006^2 + 4541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461872717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461812717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230936358 + 230936359.

It is an arithmetic number, because the mean of its divisors is an integer number (230936359).

Almost surely, 2^461872717 is an apocalyptic number.

It is an amenable number.

461872717 is a deficient number, since it is larger than the sum of its proper divisors (1).

461872717 is an equidigital number, since it uses as much as digits as its factorization.

461872717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 43.

The square root of 461872717 is about 21491.2241856996. The cubic root of 461872717 is about 772.9904048096.

The spelling of 461872717 in words is "four hundred sixty-one million, eight hundred seventy-two thousand, seven hundred seventeen".