59653981 has 2 divisors, whose sum is σ = 59653982. Its totient is φ = 59653980.

The previous prime is 59653961. The next prime is 59654039. The reversal of 59653981 is 18935695.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45441081 + 14212900 = 6741^2 + 3770^2 .

It is a cyclic number.

It is not a de Polignac number, because 59653981 - 2⁵ = 59653949 is a prime.

It is a super-2 number, since 2×59653981² = 7117194898296722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59653931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29826990 + 29826991.

It is an arithmetic number, because the mean of its divisors is an integer number (29826991).

Almost surely, 2^59653981 is an apocalyptic number.

It is an amenable number.

59653981 is a deficient number, since it is larger than the sum of its proper divisors (1).

59653981 is an equidigital number, since it uses as much as digits as its factorization.

59653981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 46.

The square root of 59653981 is about 7723.5989668030. The cubic root of 59653981 is about 390.7327469044.

The spelling of 59653981 in words is "fifty-nine million, six hundred fifty-three thousand, nine hundred eighty-one".