61945883 has 2 divisors, whose sum is σ = 61945884. Its totient is φ = 61945882.

The previous prime is 61945879. The next prime is 61945903. The reversal of 61945883 is 38854916.

61945883 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 is a cyclic number.

It is not a de Polignac number, because 61945883 - 2² = 61945879 is a prime.

It is not a weakly prime, because it can be changed into another prime (61945813) 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, 30972941 + 30972942.

It is an arithmetic number, because the mean of its divisors is an integer number (30972942).

Almost surely, 2^61945883 is an apocalyptic number.

61945883 is a deficient number, since it is larger than the sum of its proper divisors (1).

61945883 is an equidigital number, since it uses as much as digits as its factorization.

61945883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 61945883 is about 7870.5706908712. The cubic root of 61945883 is about 395.6739719524.

The spelling of 61945883 in words is "sixty-one million, nine hundred forty-five thousand, eight hundred eighty-three".