60881917 has 2 divisors, whose sum is σ = 60881918. Its totient is φ = 60881916.

The previous prime is 60881893. The next prime is 60881929. The reversal of 60881917 is 71918806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58079641 + 2802276 = 7621^2 + 1674^2 .

It is a cyclic number.

It is not a de Polignac number, because 60881917 - 2¹⁵ = 60849149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60881917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60881017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30440958 + 30440959.

It is an arithmetic number, because the mean of its divisors is an integer number (30440959).

Almost surely, 2^60881917 is an apocalyptic number.

It is an amenable number.

60881917 is a deficient number, since it is larger than the sum of its proper divisors (1).

60881917 is an equidigital number, since it uses as much as digits as its factorization.

60881917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 60881917 is about 7802.6865245247. The cubic root of 60881917 is about 393.3955469117.

The spelling of 60881917 in words is "sixty million, eight hundred eighty-one thousand, nine hundred seventeen".