61710137 has 2 divisors, whose sum is σ = 61710138. Its totient is φ = 61710136.

The previous prime is 61710083. The next prime is 61710151. The reversal of 61710137 is 73101716.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36348841 + 25361296 = 6029^2 + 5036^2 .

It is a cyclic number.

It is not a de Polignac number, because 61710137 - 2¹² = 61706041 is a prime.

It is not a weakly prime, because it can be changed into another prime (61710937) 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, 30855068 + 30855069.

It is an arithmetic number, because the mean of its divisors is an integer number (30855069).

Almost surely, 2^61710137 is an apocalyptic number.

It is an amenable number.

61710137 is a deficient number, since it is larger than the sum of its proper divisors (1).

61710137 is an equidigital number, since it uses as much as digits as its factorization.

61710137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 61710137 is about 7855.5799913183. The cubic root of 61710137 is about 395.1713981367.

The spelling of 61710137 in words is "sixty-one million, seven hundred ten thousand, one hundred thirty-seven".