61016633 has 2 divisors, whose sum is σ = 61016634. Its totient is φ = 61016632.

The previous prime is 61016617. The next prime is 61016639. The reversal of 61016633 is 33661016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50310649 + 10705984 = 7093^2 + 3272^2 .

It is a cyclic number.

It is not a de Polignac number, because 61016633 - 2⁴ = 61016617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61016639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30508316 + 30508317.

It is an arithmetic number, because the mean of its divisors is an integer number (30508317).

Almost surely, 2^61016633 is an apocalyptic number.

It is an amenable number.

61016633 is a deficient number, since it is larger than the sum of its proper divisors (1).

61016633 is an equidigital number, since it uses as much as digits as its factorization.

61016633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 61016633 is about 7811.3144220419. The cubic root of 61016633 is about 393.6854941613.

Adding to 61016633 its reverse (33661016), we get a palindrome (94677649).

The spelling of 61016633 in words is "sixty-one million, sixteen thousand, six hundred thirty-three".