61064039 has 2 divisors, whose sum is σ = 61064040. Its totient is φ = 61064038.

The previous prime is 61064021. The next prime is 61064083. The reversal of 61064039 is 93046016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61064039 - 2¹⁶ = 60998503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61064009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30532019 + 30532020.

It is an arithmetic number, because the mean of its divisors is an integer number (30532020).

Almost surely, 2^61064039 is an apocalyptic number.

61064039 is a deficient number, since it is larger than the sum of its proper divisors (1).

61064039 is an equidigital number, since it uses as much as digits as its factorization.

61064039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 61064039 is about 7814.3482773677. The cubic root of 61064039 is about 393.7874238722.

The spelling of 61064039 in words is "sixty-one million, sixty-four thousand, thirty-nine".