794521321 has 4 divisors (see below), whose sum is σ = 866750544. Its totient is φ = 722292100.

The previous prime is 794521307. The next prime is 794521349. The reversal of 794521321 is 123125497.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123125497 = 11 ⋅11193227.

It is a cyclic number.

It is not a de Polignac number, because 794521321 - 2¹¹ = 794519273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (794521121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36114595 + ... + 36114616.

It is an arithmetic number, because the mean of its divisors is an integer number (216687636).

Almost surely, 2^794521321 is an apocalyptic number.

It is an amenable number.

794521321 is a deficient number, since it is larger than the sum of its proper divisors (72229223).

794521321 is a wasteful number, since it uses less digits than its factorization.

794521321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72229222.

The product of its digits is 15120, while the sum is 34.

The square root of 794521321 is about 28187.2545842975. The cubic root of 794521321 is about 926.1937627391.

The spelling of 794521321 in words is "seven hundred ninety-four million, five hundred twenty-one thousand, three hundred twenty-one".