61916359 has 2 divisors, whose sum is σ = 61916360. Its totient is φ = 61916358.

The previous prime is 61916357. The next prime is 61916369. The reversal of 61916359 is 95361916.

61916359 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 61916359 - 2¹ = 61916357 is a prime.

Together with 61916357, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61916353) 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, 30958179 + 30958180.

It is an arithmetic number, because the mean of its divisors is an integer number (30958180).

Almost surely, 2^61916359 is an apocalyptic number.

61916359 is a deficient number, since it is larger than the sum of its proper divisors (1).

61916359 is an equidigital number, since it uses as much as digits as its factorization.

61916359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 40.

The square root of 61916359 is about 7868.6948727219. The cubic root of 61916359 is about 395.6111012972.

The spelling of 61916359 in words is "sixty-one million, nine hundred sixteen thousand, three hundred fifty-nine".