4445001331 has 2 divisors, whose sum is σ = 4445001332. Its totient is φ = 4445001330.

The previous prime is 4445001311. The next prime is 4445001389. The reversal of 4445001331 is 1331005444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4445001331 - 2¹⁷ = 4444870259 is a prime.

It is a super-2 number, since 2×4445001331² = 39516073665183543122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4445001296 and 4445001305.

It is not a weakly prime, because it can be changed into another prime (4445001311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222500665 + 2222500666.

It is an arithmetic number, because the mean of its divisors is an integer number (2222500666).

Almost surely, 2^4445001331 is an apocalyptic number.

4445001331 is a deficient number, since it is larger than the sum of its proper divisors (1).

4445001331 is an equidigital number, since it uses as much as digits as its factorization.

4445001331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4445001331 is about 66670.8431850085. The cubic root of 4445001331 is about 1644.2100500364.

Adding to 4445001331 its reverse (1331005444), we get a palindrome (5776006775).

The spelling of 4445001331 in words is "four billion, four hundred forty-five million, one thousand, three hundred thirty-one".