290106913 has 2 divisors, whose sum is σ = 290106914. Its totient is φ = 290106912.

The previous prime is 290106893. The next prime is 290106917. The reversal of 290106913 is 319601092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264127504 + 25979409 = 16252^2 + 5097^2 .

It is a cyclic number.

It is not a de Polignac number, because 290106913 - 2¹⁷ = 289975841 is a prime.

It is not a weakly prime, because it can be changed into another prime (290106917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145053456 + 145053457.

It is an arithmetic number, because the mean of its divisors is an integer number (145053457).

Almost surely, 2^290106913 is an apocalyptic number.

It is an amenable number.

290106913 is a deficient number, since it is larger than the sum of its proper divisors (1).

290106913 is an equidigital number, since it uses as much as digits as its factorization.

290106913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 290106913 is about 17032.5251504291. The cubic root of 290106913 is about 661.9919260127.

The spelling of 290106913 in words is "two hundred ninety million, one hundred six thousand, nine hundred thirteen".