595381 has 2 divisors, whose sum is σ = 595382. Its totient is φ = 595380.

The previous prime is 595379. The next prime is 595411. The reversal of 595381 is 183595.

595381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 217156 = 615^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 595381 - 2¹ = 595379 is a prime.

It is a super-2 number, since 2×595381² = 708957070322, which contains 22 as substring.

Together with 595379, it forms a pair of twin primes.

It is a Chen prime.

595381 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (595351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297690 + 297691.

It is an arithmetic number, because the mean of its divisors is an integer number (297691).

2⁵⁹⁵³⁸¹ is an apocalyptic number.

It is an amenable number.

595381 is a deficient number, since it is larger than the sum of its proper divisors (1).

595381 is an equidigital number, since it uses as much as digits as its factorization.

595381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 31.

The square root of 595381 is about 771.6093571231. The cubic root of 595381 is about 84.1262745550.

The spelling of 595381 in words is "five hundred ninety-five thousand, three hundred eighty-one".