461255517 has 6 divisors (see below), whose sum is σ = 666257982. Its totient is φ = 307503672.

The previous prime is 461255497. The next prime is 461255521. The reversal of 461255517 is 715552164.

It can be written as a sum of positive squares in only one way, i.e., 418366116 + 42889401 = 20454^2 + 6549^2 .

It is a de Polignac number, because none of the positive numbers 2^k-461255517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461255017) 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 in 5 ways as a sum of consecutive naturals, for example, 25625298 + ... + 25625315.

It is an arithmetic number, because the mean of its divisors is an integer number (111042997).

Almost surely, 2^461255517 is an apocalyptic number.

It is an amenable number.

461255517 is a deficient number, since it is larger than the sum of its proper divisors (205002465).

461255517 is a wasteful number, since it uses less digits than its factorization.

461255517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51250619 (or 51250616 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 461255517 is about 21476.8600358619. The cubic root of 461255517 is about 772.6459359191.

The spelling of 461255517 in words is "four hundred sixty-one million, two hundred fifty-five thousand, five hundred seventeen".