290021341 has 2 divisors, whose sum is σ = 290021342. Its totient is φ = 290021340.

The previous prime is 290021317. The next prime is 290021357. The reversal of 290021341 is 143120092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290020900 + 441 = 17030^2 + 21^2 .

It is a cyclic number.

It is not a de Polignac number, because 290021341 - 2¹¹ = 290019293 is a prime.

It is a super-2 number, since 2×290021341² = 168224756470876562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290021441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145010670 + 145010671.

It is an arithmetic number, because the mean of its divisors is an integer number (145010671).

Almost surely, 2^290021341 is an apocalyptic number.

It is an amenable number.

290021341 is a deficient number, since it is larger than the sum of its proper divisors (1).

290021341 is an equidigital number, since it uses as much as digits as its factorization.

290021341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 290021341 is about 17030.0129477344. The cubic root of 290021341 is about 661.9268309952.

The spelling of 290021341 in words is "two hundred ninety million, twenty-one thousand, three hundred forty-one".