2900281 has 2 divisors, whose sum is σ = 2900282. Its totient is φ = 2900280.

The previous prime is 2900237. The next prime is 2900297. The reversal of 2900281 is 1820092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 210681 = 1640^2 + 459^2 .

It is a cyclic number.

It is not a de Polignac number, because 2900281 - 2¹⁹ = 2375993 is a prime.

It is a super-2 number, since 2×2900281² = 16823259757922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2900581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1450140 + 1450141.

It is an arithmetic number, because the mean of its divisors is an integer number (1450141).

2^2900281 is an apocalyptic number.

It is an amenable number.

2900281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2900281 is an equidigital number, since it uses as much as digits as its factorization.

2900281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2900281 is about 1703.0211390350. The cubic root of 2900281 is about 142.6089205209.

The spelling of 2900281 in words is "two million, nine hundred thousand, two hundred eighty-one".