1485565321 has 2 divisors, whose sum is σ = 1485565322. Its totient is φ = 1485565320.

The previous prime is 1485565273. The next prime is 1485565327. The reversal of 1485565321 is 1235655841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 844716096 + 640849225 = 29064^2 + 25315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485565321 - 2¹¹ = 1485563273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1485565327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742782660 + 742782661.

It is an arithmetic number, because the mean of its divisors is an integer number (742782661).

Almost surely, 2^1485565321 is an apocalyptic number.

It is an amenable number.

1485565321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485565321 is an equidigital number, since it uses as much as digits as its factorization.

1485565321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 40.

The square root of 1485565321 is about 38543.0320680665. The cubic root of 1485565321 is about 1141.0304935236.

The spelling of 1485565321 in words is "one billion, four hundred eighty-five million, five hundred sixty-five thousand, three hundred twenty-one".