1001332373 has 2 divisors, whose sum is σ = 1001332374. Its totient is φ = 1001332372.

The previous prime is 1001332337. The next prime is 1001332511. The reversal of 1001332373 is 3732331001.

It is a happy number.

Together with previous prime (1001332337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 944148529 + 57183844 = 30727^2 + 7562^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001332373 - 2¹⁴ = 1001315989 is a prime.

It is a super-2 number, since 2×1001332373² = 2005333042435622258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001332573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500666186 + 500666187.

It is an arithmetic number, because the mean of its divisors is an integer number (500666187).

Almost surely, 2^1001332373 is an apocalyptic number.

It is an amenable number.

1001332373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001332373 is an equidigital number, since it uses as much as digits as its factorization.

1001332373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 1001332373 is about 31643.8362560547. The cubic root of 1001332373 is about 1000.4439272328.

Adding to 1001332373 its reverse (3732331001), we get a palindrome (4733663374).

The spelling of 1001332373 in words is "one billion, one million, three hundred thirty-two thousand, three hundred seventy-three".