2908261 has 2 divisors, whose sum is σ = 2908262. Its totient is φ = 2908260.

The previous prime is 2908183. The next prime is 2908267. The reversal of 2908261 is 1628092.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 185761 = 1650^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 2908261 - 2¹¹ = 2906213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2908267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1454130 + 1454131.

It is an arithmetic number, because the mean of its divisors is an integer number (1454131).

2^2908261 is an apocalyptic number.

It is an amenable number.

2908261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2908261 is an equidigital number, since it uses as much as digits as its factorization.

2908261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2908261 is about 1705.3624248235. The cubic root of 2908261 is about 142.7395948753.

The spelling of 2908261 in words is "two million, nine hundred eight thousand, two hundred sixty-one".