1004994001 has 4 divisors (see below), whose sum is σ = 1096357104. Its totient is φ = 913630900.

The previous prime is 1004993959. The next prime is 1004994013.

1004994001 is nontrivially palindromic in base 10.

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-1004994001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004994031) 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, 45681535 + ... + 45681556.

It is an arithmetic number, because the mean of its divisors is an integer number (274089276).

Almost surely, 2^1004994001 is an apocalyptic number.

1004994001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1004994001 is a deficient number, since it is larger than the sum of its proper divisors (91363103).

1004994001 is an equidigital number, since it uses as much as digits as its factorization.

1004994001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91363102.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1004994001 is about 31701.6403518808. The cubic root of 1004994001 is about 1001.6619035466.

The spelling of 1004994001 in words is "one billion, four million, nine hundred ninety-four thousand, one".