61710533 has 2 divisors, whose sum is σ = 61710534. Its totient is φ = 61710532.

The previous prime is 61710511. The next prime is 61710557. The reversal of 61710533 is 33501716.

It is a happy number.

61710533 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., 38217124 + 23493409 = 6182^2 + 4847^2 .

It is a cyclic number.

It is not a de Polignac number, because 61710533 - 2⁸ = 61710277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61710433) 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, 30855266 + 30855267.

It is an arithmetic number, because the mean of its divisors is an integer number (30855267).

Almost surely, 2^61710533 is an apocalyptic number.

It is an amenable number.

61710533 is a deficient number, since it is larger than the sum of its proper divisors (1).

61710533 is an equidigital number, since it uses as much as digits as its factorization.

61710533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 61710533 is about 7855.6051962914. The cubic root of 61710533 is about 395.1722434194.

The spelling of 61710533 in words is "sixty-one million, seven hundred ten thousand, five hundred thirty-three".