321479351 has 2 divisors, whose sum is σ = 321479352. Its totient is φ = 321479350.

The previous prime is 321479321. The next prime is 321479357. The reversal of 321479351 is 153974123.

It is a strong prime.

It is an emirp because it is prime and its reverse (153974123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321479351 - 2⁶ = 321479287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321479357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160739675 + 160739676.

It is an arithmetic number, because the mean of its divisors is an integer number (160739676).

Almost surely, 2^321479351 is an apocalyptic number.

321479351 is a deficient number, since it is larger than the sum of its proper divisors (1).

321479351 is an equidigital number, since it uses as much as digits as its factorization.

321479351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 321479351 is about 17929.8452586742. The cubic root of 321479351 is about 685.0427813514.

The spelling of 321479351 in words is "three hundred twenty-one million, four hundred seventy-nine thousand, three hundred fifty-one".