290996593 has 2 divisors, whose sum is σ = 290996594. Its totient is φ = 290996592.

The previous prime is 290996591. The next prime is 290996603. The reversal of 290996593 is 395699092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178275904 + 112720689 = 13352^2 + 10617^2 .

It is a cyclic number.

It is not a de Polignac number, because 290996593 - 2¹ = 290996591 is a prime.

Together with 290996591, 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 290996593.

It is not a weakly prime, because it can be changed into another prime (290996591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145498296 + 145498297.

It is an arithmetic number, because the mean of its divisors is an integer number (145498297).

Almost surely, 2^290996593 is an apocalyptic number.

It is an amenable number.

290996593 is a deficient number, since it is larger than the sum of its proper divisors (1).

290996593 is an equidigital number, since it uses as much as digits as its factorization.

290996593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1180980, while the sum is 52.

The square root of 290996593 is about 17058.6222480012. The cubic root of 290996593 is about 662.6679525766.

The spelling of 290996593 in words is "two hundred ninety million, nine hundred ninety-six thousand, five hundred ninety-three".