93901397 has 2 divisors, whose sum is σ = 93901398. Its totient is φ = 93901396.

The previous prime is 93901373. The next prime is 93901399. The reversal of 93901397 is 79310939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75359761 + 18541636 = 8681^2 + 4306^2 .

It is an emirp because it is prime and its reverse (79310939) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93901397 - 2¹² = 93897301 is a prime.

Together with 93901399, 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 (93901399) 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, 46950698 + 46950699.

It is an arithmetic number, because the mean of its divisors is an integer number (46950699).

Almost surely, 2^93901397 is an apocalyptic number.

It is an amenable number.

93901397 is a deficient number, since it is larger than the sum of its proper divisors (1).

93901397 is an equidigital number, since it uses as much as digits as its factorization.

93901397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 93901397 is about 9690.2733191588. The cubic root of 93901397 is about 454.5245558961.

The spelling of 93901397 in words is "ninety-three million, nine hundred one thousand, three hundred ninety-seven".