593404381 has 2 divisors, whose sum is σ = 593404382. Its totient is φ = 593404380.

The previous prime is 593404379. The next prime is 593404423. The reversal of 593404381 is 183404395.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499120281 + 94284100 = 22341^2 + 9710^2 .

It is a cyclic number.

It is not a de Polignac number, because 593404381 - 2¹ = 593404379 is a prime.

It is a super-2 number, since 2×593404381² = 704257518779986322, which contains 22 as substring.

Together with 593404379, 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 593404381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (593405381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 296702190 + 296702191.

It is an arithmetic number, because the mean of its divisors is an integer number (296702191).

Almost surely, 2^593404381 is an apocalyptic number.

It is an amenable number.

593404381 is a deficient number, since it is larger than the sum of its proper divisors (1).

593404381 is an equidigital number, since it uses as much as digits as its factorization.

593404381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 593404381 is about 24359.8928774328. The cubic root of 593404381 is about 840.3307375792.

The spelling of 593404381 in words is "five hundred ninety-three million, four hundred four thousand, three hundred eighty-one".