61316443 has 8 divisors (see below), whose sum is σ = 63050400. Its totient is φ = 59593920.

The previous prime is 61316429. The next prime is 61316471. The reversal of 61316443 is 34461316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61316443 - 2¹³ = 61308251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61316483) 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 7 ways as a sum of consecutive naturals, for example, 8658 + ... + 14056.

It is an arithmetic number, because the mean of its divisors is an integer number (7881300).

Almost surely, 2^61316443 is an apocalyptic number.

61316443 is a deficient number, since it is larger than the sum of its proper divisors (1733957).

61316443 is a wasteful number, since it uses less digits than its factorization.

61316443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717.

The product of its digits is 5184, while the sum is 28.

The square root of 61316443 is about 7830.4816582379. The cubic root of 61316443 is about 394.3292424327.

Adding to 61316443 its reverse (34461316), we get a palindrome (95777759).

The spelling of 61316443 in words is "sixty-one million, three hundred sixteen thousand, four hundred forty-three".