9965001 has 4 divisors (see below), whose sum is σ = 13286672. Its totient is φ = 6643332.

The previous prime is 9964979. The next prime is 9965023. The reversal of 9965001 is 1005699.

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 an interprime number because it is at equal distance from previous prime (9964979) and next prime (9965023).

It is not a de Polignac number, because 9965001 - 2⁶ = 9964937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9965001.

It is not an unprimeable number, because it can be changed into a prime (9965051) 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, 1660831 + ... + 1660836.

It is an arithmetic number, because the mean of its divisors is an integer number (3321668).

Almost surely, 2^9965001 is an apocalyptic number.

It is an amenable number.

9965001 is a deficient number, since it is larger than the sum of its proper divisors (3321671).

9965001 is a wasteful number, since it uses less digits than its factorization.

9965001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321670.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 9965001 is about 3156.7389819242. The cubic root of 9965001 is about 215.1918316736.

The spelling of 9965001 in words is "nine million, nine hundred sixty-five thousand, one".