61116233 has 2 divisors, whose sum is σ = 61116234. Its totient is φ = 61116232.

The previous prime is 61116169. The next prime is 61116239. The reversal of 61116233 is 33261116.

It is a happy number.

61116233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60637369 + 478864 = 7787^2 + 692^2 .

It is a cyclic number.

It is not a de Polignac number, because 61116233 - 2⁶ = 61116169 is a prime.

It is a super-2 number, since 2×61116233² = 7470387872220578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61116199 and 61116208.

It is not a weakly prime, because it can be changed into another prime (61116239) 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, 30558116 + 30558117.

It is an arithmetic number, because the mean of its divisors is an integer number (30558117).

Almost surely, 2^61116233 is an apocalyptic number.

It is an amenable number.

61116233 is a deficient number, since it is larger than the sum of its proper divisors (1).

61116233 is an equidigital number, since it uses as much as digits as its factorization.

61116233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 61116233 is about 7817.6871899559. The cubic root of 61116233 is about 393.8995874739.

Adding to 61116233 its reverse (33261116), we get a palindrome (94377349).

The spelling of 61116233 in words is "sixty-one million, one hundred sixteen thousand, two hundred thirty-three".