61573163 has 2 divisors, whose sum is σ = 61573164. Its totient is φ = 61573162.

The previous prime is 61573151. The next prime is 61573181. The reversal of 61573163 is 36137516.

61573163 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 is a cyclic number.

It is not a de Polignac number, because 61573163 - 2⁴ = 61573147 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61573063) 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, 30786581 + 30786582.

It is an arithmetic number, because the mean of its divisors is an integer number (30786582).

Almost surely, 2^61573163 is an apocalyptic number.

61573163 is a deficient number, since it is larger than the sum of its proper divisors (1).

61573163 is an equidigital number, since it uses as much as digits as its factorization.

61573163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 32.

The square root of 61573163 is about 7846.8568866776. The cubic root of 61573163 is about 394.8788027465.

The spelling of 61573163 in words is "sixty-one million, five hundred seventy-three thousand, one hundred sixty-three".