93272021 has 2 divisors, whose sum is σ = 93272022. Its totient is φ = 93272020.

The previous prime is 93271993. The next prime is 93272029. The reversal of 93272021 is 12027239.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91891396 + 1380625 = 9586^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 93272021 - 2⁶ = 93271957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93272029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46636010 + 46636011.

It is an arithmetic number, because the mean of its divisors is an integer number (46636011).

Almost surely, 2^93272021 is an apocalyptic number.

It is an amenable number.

93272021 is a deficient number, since it is larger than the sum of its proper divisors (1).

93272021 is an equidigital number, since it uses as much as digits as its factorization.

93272021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 93272021 is about 9657.7440947666. The cubic root of 93272021 is about 453.5067919809.

The spelling of 93272021 in words is "ninety-three million, two hundred seventy-two thousand, twenty-one".