2962981261 has 2 divisors, whose sum is σ = 2962981262. Its totient is φ = 2962981260.

The previous prime is 2962981253. The next prime is 2962981331. The reversal of 2962981261 is 1621892692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2513117161 + 449864100 = 50131^2 + 21210^2 .

It is a cyclic number.

It is not a de Polignac number, because 2962981261 - 2³ = 2962981253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2962981211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1481490630 + 1481490631.

It is an arithmetic number, because the mean of its divisors is an integer number (1481490631).

Almost surely, 2^2962981261 is an apocalyptic number.

It is an amenable number.

2962981261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2962981261 is an equidigital number, since it uses as much as digits as its factorization.

2962981261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 46.

The square root of 2962981261 is about 54433.2734731249. The cubic root of 2962981261 is about 1436.2927499929.

The spelling of 2962981261 in words is "two billion, nine hundred sixty-two million, nine hundred eighty-one thousand, two hundred sixty-one".