61000517 has 2 divisors, whose sum is σ = 61000518. Its totient is φ = 61000516.

The previous prime is 61000493. The next prime is 61000523. The reversal of 61000517 is 71500016.

61000517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58967041 + 2033476 = 7679^2 + 1426^2 .

It is a cyclic number.

It is not a de Polignac number, because 61000517 - 2¹² = 60996421 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 (61000417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30500258 + 30500259.

It is an arithmetic number, because the mean of its divisors is an integer number (30500259).

Almost surely, 2^61000517 is an apocalyptic number.

It is an amenable number.

61000517 is a deficient number, since it is larger than the sum of its proper divisors (1).

61000517 is an equidigital number, since it uses as much as digits as its factorization.

61000517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 61000517 is about 7810.2827733700. The cubic root of 61000517 is about 393.6508304213.

The spelling of 61000517 in words is "sixty-one million, five hundred seventeen", and thus it is an aban number.