1485438321 has 4 divisors (see below), whose sum is σ = 1980584432. Its totient is φ = 990292212.

The previous prime is 1485438313. The next prime is 1485438329. The reversal of 1485438321 is 1238345841.

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 an interprime number because it is at equal distance from previous prime (1485438313) and next prime (1485438329).

It is not a de Polignac number, because 1485438321 - 2³ = 1485438313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1485438321.

It is not an unprimeable number, because it can be changed into a prime (1485438329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 247573051 + ... + 247573056.

It is an arithmetic number, because the mean of its divisors is an integer number (495146108).

Almost surely, 2^1485438321 is an apocalyptic number.

It is an amenable number.

1485438321 is a deficient number, since it is larger than the sum of its proper divisors (495146111).

1485438321 is an equidigital number, since it uses as much as digits as its factorization.

1485438321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495146110.

The product of its digits is 92160, while the sum is 39.

The square root of 1485438321 is about 38541.3845236520. The cubic root of 1485438321 is about 1140.9979772821.

The spelling of 1485438321 in words is "one billion, four hundred eighty-five million, four hundred thirty-eight thousand, three hundred twenty-one".