2900261 has 24 divisors (see below), whose sum is σ = 3782520. Its totient is φ = 2201472.

The previous prime is 2900237. The next prime is 2900281. The reversal of 2900261 is 1620092.

It can be written as a sum of positive squares in 4 ways, for example, as 30625 + 2869636 = 175^2 + 1694^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2900261 is a prime.

2900261 is a modest number, since divided by 261 gives 29 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18395 + ... + 18551.

It is an arithmetic number, because the mean of its divisors is an integer number (157605).

2^2900261 is an apocalyptic number.

It is an amenable number.

2900261 is a deficient number, since it is larger than the sum of its proper divisors (882259).

2900261 is a wasteful number, since it uses less digits than its factorization.

2900261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2900261 is about 1703.0152671071. The cubic root of 2900261 is about 142.6085927153.

It can be divided in two parts, 2900 and 261, that multiplied together give a square (756900 = 870²).

The spelling of 2900261 in words is "two million, nine hundred thousand, two hundred sixty-one".