461186461 has 2 divisors, whose sum is σ = 461186462. Its totient is φ = 461186460.

The previous prime is 461186459. The next prime is 461186599. The reversal of 461186461 is 164681164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377097561 + 84088900 = 19419^2 + 9170^2 .

It is a cyclic number.

It is not a de Polignac number, because 461186461 - 2¹ = 461186459 is a prime.

Together with 461186459, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 461186461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461186261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230593230 + 230593231.

It is an arithmetic number, because the mean of its divisors is an integer number (230593231).

Almost surely, 2^461186461 is an apocalyptic number.

It is an amenable number.

461186461 is a deficient number, since it is larger than the sum of its proper divisors (1).

461186461 is an equidigital number, since it uses as much as digits as its factorization.

461186461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 461186461 is about 21475.2522918824. The cubic root of 461186461 is about 772.6073755849.

The spelling of 461186461 in words is "four hundred sixty-one million, one hundred eighty-six thousand, four hundred sixty-one".