9995001 has 16 divisors (see below), whose sum is σ = 13628160. Its totient is φ = 6514560.

The previous prime is 9994951. The next prime is 9995003. The reversal of 9995001 is 1005999.

It is not a de Polignac number, because 9995001 - 2¹⁵ = 9962233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9995003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42781 + ... + 43013.

It is an arithmetic number, because the mean of its divisors is an integer number (851760).

Almost surely, 2^9995001 is an apocalyptic number.

9995001 is the 2000-th centered pentagonal number.

It is an amenable number.

9995001 is a deficient number, since it is larger than the sum of its proper divisors (3633159).

9995001 is a wasteful number, since it uses less digits than its factorization.

9995001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 3645, while the sum is 33.

The square root of 9995001 is about 3161.4871500609. The cubic root of 9995001 is about 215.4075629560.

The spelling of 9995001 in words is "nine million, nine hundred ninety-five thousand, one".