61216063 has 2 divisors, whose sum is σ = 61216064. Its totient is φ = 61216062.

The previous prime is 61216049. The next prime is 61216153. The reversal of 61216063 is 36061216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61216063 - 2²⁵ = 27661631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61216033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30608031 + 30608032.

It is an arithmetic number, because the mean of its divisors is an integer number (30608032).

Almost surely, 2^61216063 is an apocalyptic number.

61216063 is a deficient number, since it is larger than the sum of its proper divisors (1).

61216063 is an equidigital number, since it uses as much as digits as its factorization.

61216063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 61216063 is about 7824.0694654380. The cubic root of 61216063 is about 394.1139418969.

Adding to 61216063 its reverse (36061216), we get a palindrome (97277279).

The spelling of 61216063 in words is "sixty-one million, two hundred sixteen thousand, sixty-three".