290251613 has 2 divisors, whose sum is σ = 290251614. Its totient is φ = 290251612.

The previous prime is 290251601. The next prime is 290251627. The reversal of 290251613 is 316152092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248945284 + 41306329 = 15778^2 + 6427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290251613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290256613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145125806 + 145125807.

It is an arithmetic number, because the mean of its divisors is an integer number (145125807).

Almost surely, 2^290251613 is an apocalyptic number.

It is an amenable number.

290251613 is a deficient number, since it is larger than the sum of its proper divisors (1).

290251613 is an equidigital number, since it uses as much as digits as its factorization.

290251613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 290251613 is about 17036.7723762454. The cubic root of 290251613 is about 662.1019708567.

The spelling of 290251613 in words is "two hundred ninety million, two hundred fifty-one thousand, six hundred thirteen".