61364533 has 2 divisors, whose sum is σ = 61364534. Its totient is φ = 61364532.

The previous prime is 61364507. The next prime is 61364557. The reversal of 61364533 is 33546316.

61364533 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., 32182929 + 29181604 = 5673^2 + 5402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61364533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61364495 and 61364504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61364503) 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, 30682266 + 30682267.

It is an arithmetic number, because the mean of its divisors is an integer number (30682267).

Almost surely, 2^61364533 is an apocalyptic number.

It is an amenable number.

61364533 is a deficient number, since it is larger than the sum of its proper divisors (1).

61364533 is an equidigital number, since it uses as much as digits as its factorization.

61364533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 31.

The square root of 61364533 is about 7833.5517487280. The cubic root of 61364533 is about 394.4323052595.

The spelling of 61364533 in words is "sixty-one million, three hundred sixty-four thousand, five hundred thirty-three".