59668681 has 2 divisors, whose sum is σ = 59668682. Its totient is φ = 59668680.

The previous prime is 59668673. The next prime is 59668733. The reversal of 59668681 is 18686695.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59521225 + 147456 = 7715^2 + 384^2 .

It is a cyclic number.

It is not a de Polignac number, because 59668681 - 2³ = 59668673 is a prime.

It is a super-2 number, since 2×59668681² = 7120702984559522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (59668781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29834340 + 29834341.

It is an arithmetic number, because the mean of its divisors is an integer number (29834341).

Almost surely, 2^59668681 is an apocalyptic number.

It is an amenable number.

59668681 is a deficient number, since it is larger than the sum of its proper divisors (1).

59668681 is an equidigital number, since it uses as much as digits as its factorization.

59668681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 49.

The square root of 59668681 is about 7724.5505370863. The cubic root of 59668681 is about 390.7648392004.

The spelling of 59668681 in words is "fifty-nine million, six hundred sixty-eight thousand, six hundred eighty-one".