94271521 has 4 divisors (see below), whose sum is σ = 99233200. Its totient is φ = 89309844.

The previous prime is 94271501. The next prime is 94271533. The reversal of 94271521 is 12517249.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94271521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (94271501) 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 in 3 ways as a sum of consecutive naturals, for example, 2480811 + ... + 2480848.

It is an arithmetic number, because the mean of its divisors is an integer number (24808300).

Almost surely, 2^94271521 is an apocalyptic number.

It is an amenable number.

94271521 is a deficient number, since it is larger than the sum of its proper divisors (4961679).

94271521 is a wasteful number, since it uses less digits than its factorization.

94271521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961678.

The product of its digits is 5040, while the sum is 31.

The square root of 94271521 is about 9709.3522440995. The cubic root of 94271521 is about 455.1209612785.

The spelling of 94271521 in words is "ninety-four million, two hundred seventy-one thousand, five hundred twenty-one".