61366043 has 2 divisors, whose sum is σ = 61366044. Its totient is φ = 61366042.

The previous prime is 61366021. The next prime is 61366049. The reversal of 61366043 is 34066316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61366043 - 2⁶ = 61365979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61365997 and 61366015.

It is not a weakly prime, because it can be changed into another prime (61366049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30683021 + 30683022.

It is an arithmetic number, because the mean of its divisors is an integer number (30683022).

Almost surely, 2^61366043 is an apocalyptic number.

61366043 is a deficient number, since it is larger than the sum of its proper divisors (1).

61366043 is an equidigital number, since it uses as much as digits as its factorization.

61366043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 61366043 is about 7833.6481284265. The cubic root of 61366043 is about 394.4355405045.

The spelling of 61366043 in words is "sixty-one million, three hundred sixty-six thousand, forty-three".