342593 has 2 divisors, whose sum is σ = 342594. Its totient is φ = 342592.

The previous prime is 342569. The next prime is 342599. The reversal of 342593 is 395243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339889 + 2704 = 583^2 + 52^2 .

It is an emirp because it is prime and its reverse (395243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342593 - 2⁸ = 342337 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342593.

It is not a weakly prime, because it can be changed into another prime (342599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171296 + 171297.

It is an arithmetic number, because the mean of its divisors is an integer number (171297).

2³⁴²⁵⁹³ is an apocalyptic number.

It is an amenable number.

342593 is a deficient number, since it is larger than the sum of its proper divisors (1).

342593 is an equidigital number, since it uses as much as digits as its factorization.

342593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 26.

The square root of 342593 is about 585.3144454052. The cubic root of 342593 is about 69.9723019669.

Subtracting 342593 from its reverse (395243), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 342593 in words is "three hundred forty-two thousand, five hundred ninety-three".