61064173 has 2 divisors, whose sum is σ = 61064174. Its totient is φ = 61064172.

The previous prime is 61064167. The next prime is 61064177. The reversal of 61064173 is 37146016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56746089 + 4318084 = 7533^2 + 2078^2 .

It is a cyclic number.

It is not a de Polignac number, because 61064173 - 2¹⁷ = 60933101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61064177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30532086 + 30532087.

It is an arithmetic number, because the mean of its divisors is an integer number (30532087).

Almost surely, 2^61064173 is an apocalyptic number.

It is an amenable number.

61064173 is a deficient number, since it is larger than the sum of its proper divisors (1).

61064173 is an equidigital number, since it uses as much as digits as its factorization.

61064173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 61064173 is about 7814.3568513346. The cubic root of 61064173 is about 393.7877119167.

The spelling of 61064173 in words is "sixty-one million, sixty-four thousand, one hundred seventy-three".