2802110261 has 2 divisors, whose sum is σ = 2802110262. Its totient is φ = 2802110260.

The previous prime is 2802110257. The next prime is 2802110287. The reversal of 2802110261 is 1620112082.

2802110261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1706103025 + 1096007236 = 41305^2 + 33106^2 .

It is a cyclic number.

It is not a de Polignac number, because 2802110261 - 2² = 2802110257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2802113261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401055130 + 1401055131.

It is an arithmetic number, because the mean of its divisors is an integer number (1401055131).

Almost surely, 2^2802110261 is an apocalyptic number.

It is an amenable number.

2802110261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2802110261 is an equidigital number, since it uses as much as digits as its factorization.

2802110261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 2802110261 is about 52934.9625578407. The cubic root of 2802110261 is about 1409.8137441548.

The spelling of 2802110261 in words is "two billion, eight hundred two million, one hundred ten thousand, two hundred sixty-one".