61411447 has 2 divisors, whose sum is σ = 61411448. Its totient is φ = 61411446.

The previous prime is 61411433. The next prime is 61411487. The reversal of 61411447 is 74411416.

61411447 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 61411447 - 2¹¹ = 61409399 is a prime.

It is equal to p_3640825 and since 61411447 and 3640825 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61411487) 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, 30705723 + 30705724.

It is an arithmetic number, because the mean of its divisors is an integer number (30705724).

Almost surely, 2^61411447 is an apocalyptic number.

61411447 is a deficient number, since it is larger than the sum of its proper divisors (1).

61411447 is an equidigital number, since it uses as much as digits as its factorization.

61411447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 61411447 is about 7836.5456037721. The cubic root of 61411447 is about 394.5327958993.

The spelling of 61411447 in words is "sixty-one million, four hundred eleven thousand, four hundred forty-seven".