61130617 has 2 divisors, whose sum is σ = 61130618. Its totient is φ = 61130616.

The previous prime is 61130593. The next prime is 61130621. The reversal of 61130617 is 71603116.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49406841 + 11723776 = 7029^2 + 3424^2 .

It is a cyclic number.

It is not a de Polignac number, because 61130617 - 2¹¹ = 61128569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61130591 and 61130600.

It is not a weakly prime, because it can be changed into another prime (61130647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30565308 + 30565309.

It is an arithmetic number, because the mean of its divisors is an integer number (30565309).

Almost surely, 2^61130617 is an apocalyptic number.

It is an amenable number.

61130617 is a deficient number, since it is larger than the sum of its proper divisors (1).

61130617 is an equidigital number, since it uses as much as digits as its factorization.

61130617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 61130617 is about 7818.6071010123. The cubic root of 61130617 is about 393.9304871054.

The spelling of 61130617 in words is "sixty-one million, one hundred thirty thousand, six hundred seventeen".