94355021 has 2 divisors, whose sum is σ = 94355022. Its totient is φ = 94355020.

The previous prime is 94354987. The next prime is 94355033. The reversal of 94355021 is 12055349.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93334921 + 1020100 = 9661^2 + 1010^2 .

It is an emirp because it is prime and its reverse (12055349) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94355021 - 2¹⁴ = 94338637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94351021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47177510 + 47177511.

It is an arithmetic number, because the mean of its divisors is an integer number (47177511).

Almost surely, 2^94355021 is an apocalyptic number.

It is an amenable number.

94355021 is a deficient number, since it is larger than the sum of its proper divisors (1).

94355021 is an equidigital number, since it uses as much as digits as its factorization.

94355021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 94355021 is about 9713.6512702485. The cubic root of 94355021 is about 455.2552944799.

The spelling of 94355021 in words is "ninety-four million, three hundred fifty-five thousand, twenty-one".