290106961 has 2 divisors, whose sum is σ = 290106962. Its totient is φ = 290106960.

The previous prime is 290106931. The next prime is 290107007. The reversal of 290106961 is 169601092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259371025 + 30735936 = 16105^2 + 5544^2 .

It is a cyclic number.

It is not a de Polignac number, because 290106961 - 2¹⁵ = 290074193 is a prime.

It is not a weakly prime, because it can be changed into another prime (290106931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145053480 + 145053481.

It is an arithmetic number, because the mean of its divisors is an integer number (145053481).

Almost surely, 2^290106961 is an apocalyptic number.

It is an amenable number.

290106961 is a deficient number, since it is larger than the sum of its proper divisors (1).

290106961 is an equidigital number, since it uses as much as digits as its factorization.

290106961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 290106961 is about 17032.5265594979. The cubic root of 290106961 is about 661.9919625229.

The spelling of 290106961 in words is "two hundred ninety million, one hundred six thousand, nine hundred sixty-one".