59981939 has 2 divisors, whose sum is σ = 59981940. Its totient is φ = 59981938.

The previous prime is 59981897. The next prime is 59981959. The reversal of 59981939 is 93918995.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59981939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (59981959) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29990969 + 29990970.

It is an arithmetic number, because the mean of its divisors is an integer number (29990970).

Almost surely, 2^59981939 is an apocalyptic number.

59981939 is a deficient number, since it is larger than the sum of its proper divisors (1).

59981939 is an equidigital number, since it uses as much as digits as its factorization.

59981939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 787320, while the sum is 53.

The square root of 59981939 is about 7744.8007721309. The cubic root of 59981939 is about 391.4474788279.

The spelling of 59981939 in words is "fifty-nine million, nine hundred eighty-one thousand, nine hundred thirty-nine".