290680613 has 2 divisors, whose sum is σ = 290680614. Its totient is φ = 290680612.

The previous prime is 290680589. The next prime is 290680631. The reversal of 290680613 is 316086092.

Together with next prime (290680631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285001924 + 5678689 = 16882^2 + 2383^2 .

It is a cyclic number.

It is not a de Polignac number, because 290680613 - 2⁶ = 290680549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290680213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145340306 + 145340307.

It is an arithmetic number, because the mean of its divisors is an integer number (145340307).

Almost surely, 2^290680613 is an apocalyptic number.

It is an amenable number.

290680613 is a deficient number, since it is larger than the sum of its proper divisors (1).

290680613 is an equidigital number, since it uses as much as digits as its factorization.

290680613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 290680613 is about 17049.3581404110. The cubic root of 290680613 is about 662.4280120190.

The spelling of 290680613 in words is "two hundred ninety million, six hundred eighty thousand, six hundred thirteen".