1480405321 has 2 divisors, whose sum is σ = 1480405322. Its totient is φ = 1480405320.

The previous prime is 1480405319. The next prime is 1480405351. The reversal of 1480405321 is 1235040841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806276025 + 674129296 = 28395^2 + 25964^2 .

It is an emirp because it is prime and its reverse (1235040841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1480405321 - 2¹ = 1480405319 is a prime.

It is a super-3 number, since 3×1480405321³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 1480405319, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1480405321.

It is not a weakly prime, because it can be changed into another prime (1480405351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740202660 + 740202661.

It is an arithmetic number, because the mean of its divisors is an integer number (740202661).

Almost surely, 2^1480405321 is an apocalyptic number.

It is an amenable number.

1480405321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1480405321 is an equidigital number, since it uses as much as digits as its factorization.

1480405321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1480405321 is about 38476.0356715709. The cubic root of 1480405321 is about 1139.7078663063.

The spelling of 1480405321 in words is "one billion, four hundred eighty million, four hundred five thousand, three hundred twenty-one".