61357039 has 2 divisors, whose sum is σ = 61357040. Its totient is φ = 61357038.

The previous prime is 61357027. The next prime is 61357067. The reversal of 61357039 is 93075316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61357039 - 2⁵ = 61357007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61356995 and 61357013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61357019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30678519 + 30678520.

It is an arithmetic number, because the mean of its divisors is an integer number (30678520).

Almost surely, 2^61357039 is an apocalyptic number.

61357039 is a deficient number, since it is larger than the sum of its proper divisors (1).

61357039 is an equidigital number, since it uses as much as digits as its factorization.

61357039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 61357039 is about 7833.0734070351. The cubic root of 61357039 is about 394.4162482317.

The spelling of 61357039 in words is "sixty-one million, three hundred fifty-seven thousand, thirty-nine".