93429521 has 2 divisors, whose sum is σ = 93429522. Its totient is φ = 93429520.

The previous prime is 93429463. The next prime is 93429541. The reversal of 93429521 is 12592439.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72863296 + 20566225 = 8536^2 + 4535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93429521 is a prime.

It is not a weakly prime, because it can be changed into another prime (93429541) 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, 46714760 + 46714761.

It is an arithmetic number, because the mean of its divisors is an integer number (46714761).

Almost surely, 2^93429521 is an apocalyptic number.

It is an amenable number.

93429521 is a deficient number, since it is larger than the sum of its proper divisors (1).

93429521 is an equidigital number, since it uses as much as digits as its factorization.

93429521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 93429521 is about 9665.8947335464. The cubic root of 93429521 is about 453.7619136933.

The spelling of 93429521 in words is "ninety-three million, four hundred twenty-nine thousand, five hundred twenty-one".