61366049 has 2 divisors, whose sum is σ = 61366050. Its totient is φ = 61366048.

The previous prime is 61366043. The next prime is 61366057. The reversal of 61366049 is 94066316.

61366049 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 can be written as a sum of positive squares in only one way, i.e., 61230625 + 135424 = 7825^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 61366049 - 2²⁰ = 60317473 is a prime.

It is a Chen prime.

It is equal to p_3638294 and since 61366049 and 3638294 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (61366043) 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, 30683024 + 30683025.

It is an arithmetic number, because the mean of its divisors is an integer number (30683025).

Almost surely, 2^61366049 is an apocalyptic number.

It is an amenable number.

61366049 is a deficient number, since it is larger than the sum of its proper divisors (1).

61366049 is an equidigital number, since it uses as much as digits as its factorization.

61366049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 61366049 is about 7833.6485113898. The cubic root of 61366049 is about 394.4355533597.

The spelling of 61366049 in words is "sixty-one million, three hundred sixty-six thousand, forty-nine".