321024493 has 4 divisors (see below), whose sum is σ = 321060348. Its totient is φ = 320988640.

The previous prime is 321024467. The next prime is 321024521. The reversal of 321024493 is 394420123.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 184905604 + 136118889 = 13598^2 + 11667^2 .

It is a cyclic number.

It is not a de Polignac number, because 321024493 - 2¹⁷ = 320893421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321024443) 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, 8073 + ... + 26593.

It is an arithmetic number, because the mean of its divisors is an integer number (80265087).

Almost surely, 2^321024493 is an apocalyptic number.

It is an amenable number.

321024493 is a deficient number, since it is larger than the sum of its proper divisors (35855).

321024493 is a wasteful number, since it uses less digits than its factorization.

321024493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35854.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 321024493 is about 17917.1563871056. The cubic root of 321024493 is about 684.7195420695.

The spelling of 321024493 in words is "three hundred twenty-one million, twenty-four thousand, four hundred ninety-three".