93426521 has 2 divisors, whose sum is σ = 93426522. Its totient is φ = 93426520.

The previous prime is 93426511. The next prime is 93426523. The reversal of 93426521 is 12562439.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52722121 + 40704400 = 7261^2 + 6380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93426521 is a prime.

Together with 93426523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93426523) 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, 46713260 + 46713261.

It is an arithmetic number, because the mean of its divisors is an integer number (46713261).

Almost surely, 2^93426521 is an apocalyptic number.

It is an amenable number.

93426521 is a deficient number, since it is larger than the sum of its proper divisors (1).

93426521 is an equidigital number, since it uses as much as digits as its factorization.

93426521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 93426521 is about 9665.7395474945. The cubic root of 93426521 is about 453.7570569118.

The spelling of 93426521 in words is "ninety-three million, four hundred twenty-six thousand, five hundred twenty-one".