9001051 has 4 divisors (see below), whose sum is σ = 9007072. Its totient is φ = 8995032.

The previous prime is 9001039. The next prime is 9001063. The reversal of 9001051 is 1501009.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (9001039) and next prime (9001063).

It is a cyclic number.

It is not a de Polignac number, because 9001051 - 2¹⁵ = 8968283 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9001001) 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 3 ways as a sum of consecutive naturals, for example, 1141 + ... + 4393.

It is an arithmetic number, because the mean of its divisors is an integer number (2251768).

Almost surely, 2^9001051 is an apocalyptic number.

9001051 is a deficient number, since it is larger than the sum of its proper divisors (6021).

9001051 is a wasteful number, since it uses less digits than its factorization.

9001051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6020.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 9001051 is about 3000.1751615531. The cubic root of 9001051 is about 208.0164789089.

The spelling of 9001051 in words is "nine million, one thousand, fifty-one".