261882793 has 2 divisors, whose sum is σ = 261882794. Its totient is φ = 261882792.

The previous prime is 261882791. The next prime is 261882839. The reversal of 261882793 is 397288162.

261882793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (261882839) can be obtained adding 261882793 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192876544 + 69006249 = 13888^2 + 8307^2 .

It is a cyclic number.

It is not a de Polignac number, because 261882793 - 2¹ = 261882791 is a prime.

Together with 261882791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (261882791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130941396 + 130941397.

It is an arithmetic number, because the mean of its divisors is an integer number (130941397).

Almost surely, 2^261882793 is an apocalyptic number.

It is an amenable number.

261882793 is a deficient number, since it is larger than the sum of its proper divisors (1).

261882793 is an equidigital number, since it uses as much as digits as its factorization.

261882793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 261882793 is about 16182.7931149107. The cubic root of 261882793 is about 639.7873585564.

The spelling of 261882793 in words is "two hundred sixty-one million, eight hundred eighty-two thousand, seven hundred ninety-three".