59966981 has 2 divisors, whose sum is σ = 59966982. Its totient is φ = 59966980.

The previous prime is 59966947. The next prime is 59967013. The reversal of 59966981 is 18966995.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31248100 + 28718881 = 5590^2 + 5359^2 .

It is a cyclic number.

It is not a de Polignac number, because 59966981 - 2⁶ = 59966917 is a prime.

It is a super-2 number, since 2×59966981² = 7192077620508722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59966941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29983490 + 29983491.

It is an arithmetic number, because the mean of its divisors is an integer number (29983491).

Almost surely, 2^59966981 is an apocalyptic number.

It is an amenable number.

59966981 is a deficient number, since it is larger than the sum of its proper divisors (1).

59966981 is an equidigital number, since it uses as much as digits as its factorization.

59966981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 53.

The square root of 59966981 is about 7743.8350318172. The cubic root of 59966981 is about 391.4149370424.

The spelling of 59966981 in words is "fifty-nine million, nine hundred sixty-six thousand, nine hundred eighty-one".