61016617 has 2 divisors, whose sum is σ = 61016618. Its totient is φ = 61016616.

The previous prime is 61016603. The next prime is 61016633. The reversal of 61016617 is 71661016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31629376 + 29387241 = 5624^2 + 5421^2 .

It is a cyclic number.

It is not a de Polignac number, because 61016617 - 2¹⁵ = 60983849 is a prime.

It is not a weakly prime, because it can be changed into another prime (61016647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30508308 + 30508309.

It is an arithmetic number, because the mean of its divisors is an integer number (30508309).

Almost surely, 2^61016617 is an apocalyptic number.

It is an amenable number.

61016617 is a deficient number, since it is larger than the sum of its proper divisors (1).

61016617 is an equidigital number, since it uses as much as digits as its factorization.

61016617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 61016617 is about 7811.3133978864. The cubic root of 61016617 is about 393.6854597501.

The spelling of 61016617 in words is "sixty-one million, sixteen thousand, six hundred seventeen".