461490593 has 2 divisors, whose sum is σ = 461490594. Its totient is φ = 461490592.

The previous prime is 461490553. The next prime is 461490671. The reversal of 461490593 is 395094164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455054224 + 6436369 = 21332^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 461490593 - 2²⁴ = 444713377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461490593.

It is not a weakly prime, because it can be changed into another prime (461490553) 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, 230745296 + 230745297.

It is an arithmetic number, because the mean of its divisors is an integer number (230745297).

Almost surely, 2^461490593 is an apocalyptic number.

It is an amenable number.

461490593 is a deficient number, since it is larger than the sum of its proper divisors (1).

461490593 is an equidigital number, since it uses as much as digits as its factorization.

461490593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 461490593 is about 21482.3321126920. The cubic root of 461490593 is about 772.7771716893. Note that the first 3 decimals are identical.

The spelling of 461490593 in words is "four hundred sixty-one million, four hundred ninety thousand, five hundred ninety-three".