999997041 has 4 divisors (see below), whose sum is σ = 1333329392. Its totient is φ = 666664692.

The previous prime is 999997021. The next prime is 999997049. The reversal of 999997041 is 140799999.

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 not a de Polignac number, because 999997041 - 2⁷ = 999996913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (999997049) 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 in 3 ways as a sum of consecutive naturals, for example, 166666171 + ... + 166666176.

It is an arithmetic number, because the mean of its divisors is an integer number (333332348).

Almost surely, 2^999997041 is an apocalyptic number.

It is an amenable number.

999997041 is a deficient number, since it is larger than the sum of its proper divisors (333332351).

999997041 is a wasteful number, since it uses less digits than its factorization.

999997041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333332350.

The product of its (nonzero) digits is 1653372, while the sum is 57.

The square root of 999997041 is about 31622.7298157512. The cubic root of 999997041 is about 999.9990136657. Note that the first 3 decimals are identical.

The spelling of 999997041 in words is "nine hundred ninety-nine million, nine hundred ninety-seven thousand, forty-one".