61016743 has 2 divisors, whose sum is σ = 61016744. Its totient is φ = 61016742.

The previous prime is 61016719. The next prime is 61016749. The reversal of 61016743 is 34761016.

61016743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61016743 - 2²¹ = 58919591 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61016749) 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, 30508371 + 30508372.

It is an arithmetic number, because the mean of its divisors is an integer number (30508372).

Almost surely, 2^61016743 is an apocalyptic number.

61016743 is a deficient number, since it is larger than the sum of its proper divisors (1).

61016743 is an equidigital number, since it uses as much as digits as its factorization.

61016743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 61016743 is about 7811.3214631073. The cubic root of 61016743 is about 393.6857307382.

Adding to 61016743 its reverse (34761016), we get a palindrome (95777759).

The spelling of 61016743 in words is "sixty-one million, sixteen thousand, seven hundred forty-three".