324021601 has 4 divisors (see below), whose sum is σ = 324057604. Its totient is φ = 323985600.

The previous prime is 324021589. The next prime is 324021667. The reversal of 324021601 is 106120423.

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, and also an emirpimes, since its reverse is a distinct semiprime: 106120423 = 41 ⋅2588303.

It can be written as a sum of positive squares in 2 ways, for example, as 116661601 + 207360000 = 10801^2 + 14400^2 .

It is a cyclic number.

It is not a de Polignac number, because 324021601 - 2⁷ = 324021473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324021101) 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, 8821 + ... + 26941.

It is an arithmetic number, because the mean of its divisors is an integer number (81014401).

Almost surely, 2^324021601 is an apocalyptic number.

It is an amenable number.

324021601 is a deficient number, since it is larger than the sum of its proper divisors (36003).

324021601 is a wasteful number, since it uses less digits than its factorization.

324021601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36002.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 324021601 is about 18000.6000177772. The cubic root of 324021601 is about 686.8438087560.

The spelling of 324021601 in words is "three hundred twenty-four million, twenty-one thousand, six hundred one".