59986981 has 2 divisors, whose sum is σ = 59986982. Its totient is φ = 59986980.

The previous prime is 59986961. The next prime is 59986987. The reversal of 59986981 is 18968995.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59814756 + 172225 = 7734^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 59986981 - 2⁷ = 59986853 is a prime.

It is a super-2 number, since 2×59986981² = 7196875778988722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59986987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29993490 + 29993491.

It is an arithmetic number, because the mean of its divisors is an integer number (29993491).

Almost surely, 2^59986981 is an apocalyptic number.

It is an amenable number.

59986981 is a deficient number, since it is larger than the sum of its proper divisors (1).

59986981 is an equidigital number, since it uses as much as digits as its factorization.

59986981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 55.

The square root of 59986981 is about 7745.1262739868. The cubic root of 59986981 is about 391.4584467010.

The spelling of 59986981 in words is "fifty-nine million, nine hundred eighty-six thousand, nine hundred eighty-one".