95638021 has 2 divisors, whose sum is σ = 95638022. Its totient is φ = 95638020.

The previous prime is 95638019. The next prime is 95638031. The reversal of 95638021 is 12083659.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92448225 + 3189796 = 9615^2 + 1786^2 .

It is a cyclic number.

It is not a de Polignac number, because 95638021 - 2¹ = 95638019 is a prime.

Together with 95638019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95638031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47819010 + 47819011.

It is an arithmetic number, because the mean of its divisors is an integer number (47819011).

Almost surely, 2^95638021 is an apocalyptic number.

It is an amenable number.

95638021 is a deficient number, since it is larger than the sum of its proper divisors (1).

95638021 is an equidigital number, since it uses as much as digits as its factorization.

95638021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 95638021 is about 9779.4693618826. The cubic root of 95638021 is about 457.3094686728.

The spelling of 95638021 in words is "ninety-five million, six hundred thirty-eight thousand, twenty-one".