2800261 has 8 divisors (see below), whose sum is σ = 2921984. Its totient is φ = 2680560.

The previous prime is 2800249. The next prime is 2800267. The reversal of 2800261 is 1620082.

It is a happy number.

2800261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2800261 - 2⁹ = 2799749 is a prime.

It is a Duffinian number.

2800261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2800267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (365248).

2^2800261 is an apocalyptic number.

It is an amenable number.

2800261 is a deficient number, since it is larger than the sum of its proper divisors (121723).

2800261 is a wasteful number, since it uses less digits than its factorization.

2800261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2800261 is about 1673.3980399176. The cubic root of 2800261 is about 140.9503538980.

The spelling of 2800261 in words is "two million, eight hundred thousand, two hundred sixty-one".