93963521 has 2 divisors, whose sum is σ = 93963522. Its totient is φ = 93963520.

The previous prime is 93963497. The next prime is 93963563. The reversal of 93963521 is 12536939.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93702400 + 261121 = 9680^2 + 511^2 .

It is a cyclic number.

It is not a de Polignac number, because 93963521 - 2¹⁰ = 93962497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93963421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46981760 + 46981761.

It is an arithmetic number, because the mean of its divisors is an integer number (46981761).

Almost surely, 2^93963521 is an apocalyptic number.

It is an amenable number.

93963521 is a deficient number, since it is larger than the sum of its proper divisors (1).

93963521 is an equidigital number, since it uses as much as digits as its factorization.

93963521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 38.

The square root of 93963521 is about 9693.4782714978. The cubic root of 93963521 is about 454.6247697362.

The spelling of 93963521 in words is "ninety-three million, nine hundred sixty-three thousand, five hundred twenty-one".