5961881 has 2 divisors, whose sum is σ = 5961882. Its totient is φ = 5961880.

The previous prime is 5961869. The next prime is 5961887. The reversal of 5961881 is 1881695.

5961881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5953600 + 8281 = 2440^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 5961881 - 2¹⁴ = 5945497 is a prime.

It is a super-2 number, since 2×5961881² = 71088050116322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5961887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2980940 + 2980941.

It is an arithmetic number, because the mean of its divisors is an integer number (2980941).

Almost surely, 2^5961881 is an apocalyptic number.

It is an amenable number.

5961881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5961881 is an equidigital number, since it uses as much as digits as its factorization.

5961881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 38.

The square root of 5961881 is about 2441.6963365660. The cubic root of 5961881 is about 181.3264257960.

The spelling of 5961881 in words is "five million, nine hundred sixty-one thousand, eight hundred eighty-one".