1001334497 has 4 divisors (see below), whose sum is σ = 1016279856. Its totient is φ = 986389140.

The previous prime is 1001334487. The next prime is 1001334511. The reversal of 1001334497 is 7944331001.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001334497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001334407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7472579 + ... + 7472712.

It is an arithmetic number, because the mean of its divisors is an integer number (254069964).

Almost surely, 2^1001334497 is an apocalyptic number.

It is an amenable number.

1001334497 is a deficient number, since it is larger than the sum of its proper divisors (14945359).

1001334497 is an equidigital number, since it uses as much as digits as its factorization.

1001334497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14945358.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1001334497 is about 31643.8698170752. The cubic root of 1001334497 is about 1000.4446346041. Note that the first 3 decimals are identical.

Adding to 1001334497 its reverse (7944331001), we get a palindrome (8945665498).

The spelling of 1001334497 in words is "one billion, one million, three hundred thirty-four thousand, four hundred ninety-seven".