321867325 has 12 divisors (see below), whose sum is σ = 429817108. Its totient is φ = 237686400.

The previous prime is 321867319. The next prime is 321867331. The reversal of 321867325 is 523768123.

It is an interprime number because it is at equal distance from previous prime (321867319) and next prime (321867331).

It can be written as a sum of positive squares in 6 ways, for example, as 22335076 + 299532249 = 4726^2 + 17307^2 .

It is not a de Polignac number, because 321867325 - 2⁹ = 321866813 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494856 + ... + 495505.

Almost surely, 2^321867325 is an apocalyptic number.

It is an amenable number.

321867325 is a deficient number, since it is larger than the sum of its proper divisors (107949783).

321867325 is a wasteful number, since it uses less digits than its factorization.

321867325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990384 (or 990379 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 321867325 is about 17940.6612196987. The cubic root of 321867325 is about 685.3182494764.

The spelling of 321867325 in words is "three hundred twenty-one million, eight hundred sixty-seven thousand, three hundred twenty-five".