291359 has 2 divisors, whose sum is σ = 291360. Its totient is φ = 291358.

The previous prime is 291349. The next prime is 291367. The reversal of 291359 is 953192.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 291359 - 2⁸ = 291103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (291349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145679 + 145680.

It is an arithmetic number, because the mean of its divisors is an integer number (145680).

2²⁹¹³⁵⁹ is an apocalyptic number.

291359 is a deficient number, since it is larger than the sum of its proper divisors (1).

291359 is an equidigital number, since it uses as much as digits as its factorization.

291359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 29.

The square root of 291359 is about 539.7768057262. The cubic root of 291359 is about 66.2942933891.

The spelling of 291359 in words is "two hundred ninety-one thousand, three hundred fifty-nine".