481664593 has 2 divisors, whose sum is σ = 481664594. Its totient is φ = 481664592.

The previous prime is 481664581. The next prime is 481664609. The reversal of 481664593 is 395466184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353703249 + 127961344 = 18807^2 + 11312^2 .

It is a cyclic number.

It is not a de Polignac number, because 481664593 - 2¹³ = 481656401 is a prime.

It is not a weakly prime, because it can be changed into another prime (481664093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240832296 + 240832297.

It is an arithmetic number, because the mean of its divisors is an integer number (240832297).

Almost surely, 2^481664593 is an apocalyptic number.

It is an amenable number.

481664593 is a deficient number, since it is larger than the sum of its proper divisors (1).

481664593 is an equidigital number, since it uses as much as digits as its factorization.

481664593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 481664593 is about 21946.8583856551. The cubic root of 481664593 is about 783.8775758315.

The spelling of 481664593 in words is "four hundred eighty-one million, six hundred sixty-four thousand, five hundred ninety-three".