1046447321 has 2 divisors, whose sum is σ = 1046447322. Its totient is φ = 1046447320.

The previous prime is 1046447299. The next prime is 1046447327. The reversal of 1046447321 is 1237446401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1033944025 + 12503296 = 32155^2 + 3536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1046447321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1046447327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523223660 + 523223661.

It is an arithmetic number, because the mean of its divisors is an integer number (523223661).

Almost surely, 2^1046447321 is an apocalyptic number.

It is an amenable number.

1046447321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046447321 is an equidigital number, since it uses as much as digits as its factorization.

1046447321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1046447321 is about 32348.8380162256. The cubic root of 1046447321 is about 1015.2487345301.

The spelling of 1046447321 in words is "one billion, forty-six million, four hundred forty-seven thousand, three hundred twenty-one".