61446533 has 2 divisors, whose sum is σ = 61446534. Its totient is φ = 61446532.

The previous prime is 61446521. The next prime is 61446559. The reversal of 61446533 is 33564416.

61446533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56280004 + 5166529 = 7502^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 61446533 - 2⁸ = 61446277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61446533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61446733) 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, 30723266 + 30723267.

It is an arithmetic number, because the mean of its divisors is an integer number (30723267).

Almost surely, 2^61446533 is an apocalyptic number.

It is an amenable number.

61446533 is a deficient number, since it is larger than the sum of its proper divisors (1).

61446533 is an equidigital number, since it uses as much as digits as its factorization.

61446533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 61446533 is about 7838.7838980291. The cubic root of 61446533 is about 394.6079173030.

The spelling of 61446533 in words is "sixty-one million, four hundred forty-six thousand, five hundred thirty-three".