321614413 has 4 divisors (see below), whose sum is σ = 322960320. Its totient is φ = 320268508.

The previous prime is 321614411. The next prime is 321614443. The reversal of 321614413 is 314416123.

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 not a de Polignac number, because 321614413 - 2¹ = 321614411 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 (321614411) 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, 672595 + ... + 673072.

It is an arithmetic number, because the mean of its divisors is an integer number (80740080).

Almost surely, 2^321614413 is an apocalyptic number.

It is an amenable number.

321614413 is a deficient number, since it is larger than the sum of its proper divisors (1345907).

321614413 is a wasteful number, since it uses less digits than its factorization.

321614413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345906.

The product of its digits is 1728, while the sum is 25.

The square root of 321614413 is about 17933.6112648847. The cubic root of 321614413 is about 685.1387027988.

The spelling of 321614413 in words is "three hundred twenty-one million, six hundred fourteen thousand, four hundred thirteen".