461185393 has 2 divisors, whose sum is σ = 461185394. Its totient is φ = 461185392.

The previous prime is 461185379. The next prime is 461185409. The reversal of 461185393 is 393581164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239413729 + 221771664 = 15473^2 + 14892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461185393 is a prime.

It is not a weakly prime, because it can be changed into another prime (461185093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230592696 + 230592697.

It is an arithmetic number, because the mean of its divisors is an integer number (230592697).

Almost surely, 2^461185393 is an apocalyptic number.

It is an amenable number.

461185393 is a deficient number, since it is larger than the sum of its proper divisors (1).

461185393 is an equidigital number, since it uses as much as digits as its factorization.

461185393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 461185393 is about 21475.2274260367. The cubic root of 461185393 is about 772.6067791917.

The spelling of 461185393 in words is "four hundred sixty-one million, one hundred eighty-five thousand, three hundred ninety-three".