61716363 has 4 divisors (see below), whose sum is σ = 82288488. Its totient is φ = 41144240.

The previous prime is 61716359. The next prime is 61716371. The reversal of 61716363 is 36361716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61716363 - 2² = 61716359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61716373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10286058 + ... + 10286063.

It is an arithmetic number, because the mean of its divisors is an integer number (20572122).

Almost surely, 2^61716363 is an apocalyptic number.

61716363 is a deficient number, since it is larger than the sum of its proper divisors (20572125).

61716363 is a wasteful number, since it uses less digits than its factorization.

61716363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572124.

The product of its digits is 13608, while the sum is 33.

The square root of 61716363 is about 7855.9762601474. The cubic root of 61716363 is about 395.1846874411.

The spelling of 61716363 in words is "sixty-one million, seven hundred sixteen thousand, three hundred sixty-three".