61316383 has 2 divisors, whose sum is σ = 61316384. Its totient is φ = 61316382.

The previous prime is 61316377. The next prime is 61316417. The reversal of 61316383 is 38361316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61316383 - 2²¹ = 59219231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 30658191 + 30658192.

It is an arithmetic number, because the mean of its divisors is an integer number (30658192).

Almost surely, 2^61316383 is an apocalyptic number.

61316383 is a deficient number, since it is larger than the sum of its proper divisors (1).

61316383 is an equidigital number, since it uses as much as digits as its factorization.

61316383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 61316383 is about 7830.4778270550. The cubic root of 61316383 is about 394.3291138116.

Adding to 61316383 its reverse (38361316), we get a palindrome (99677699).

The spelling of 61316383 in words is "sixty-one million, three hundred sixteen thousand, three hundred eighty-three".