59945021 has 2 divisors, whose sum is σ = 59945022. Its totient is φ = 59945020.

The previous prime is 59944999. The next prime is 59945023. The reversal of 59945021 is 12054995.

59945021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59892121 + 52900 = 7739^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 59945021 - 2⁶ = 59944957 is a prime.

Together with 59945023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59945023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29972510 + 29972511.

It is an arithmetic number, because the mean of its divisors is an integer number (29972511).

Almost surely, 2^59945021 is an apocalyptic number.

It is an amenable number.

59945021 is a deficient number, since it is larger than the sum of its proper divisors (1).

59945021 is an equidigital number, since it uses as much as digits as its factorization.

59945021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 59945021 is about 7742.4169998780. The cubic root of 59945021 is about 391.3671522931.

The spelling of 59945021 in words is "fifty-nine million, nine hundred forty-five thousand, twenty-one".