322521413 has 4 divisors (see below), whose sum is σ = 322690368. Its totient is φ = 322352460.

The previous prime is 322521389. The next prime is 322521431. The reversal of 322521413 is 314125223.

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: 314125223 = 53 ⋅5926891.

It is a cyclic number.

It is not a de Polignac number, because 322521413 - 2¹⁸ = 322259269 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 (322521443) 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, 81581 + ... + 85442.

It is an arithmetic number, because the mean of its divisors is an integer number (80672592).

Almost surely, 2^322521413 is an apocalyptic number.

It is an amenable number.

322521413 is a deficient number, since it is larger than the sum of its proper divisors (168955).

322521413 is a wasteful number, since it uses less digits than its factorization.

322521413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168954.

The product of its digits is 1440, while the sum is 23.

The square root of 322521413 is about 17958.8811733916. The cubic root of 322521413 is about 685.7821623017.

Adding to 322521413 its reverse (314125223), we get a palindrome (636646636).

The spelling of 322521413 in words is "three hundred twenty-two million, five hundred twenty-one thousand, four hundred thirteen".