9051865 has 16 divisors (see below), whose sum is σ = 11280528. Its totient is φ = 6967296.

The previous prime is 9051863. The next prime is 9051881. The reversal of 9051865 is 5681509.

9051865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1317904 + 7733961 = 1148^2 + 2781^2 .

It is a cyclic number.

It is not a de Polignac number, because 9051865 - 2¹ = 9051863 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 9051865.

It is not an unprimeable number, because it can be changed into a prime (9051863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20689 + ... + 21121.

It is an arithmetic number, because the mean of its divisors is an integer number (705033).

Almost surely, 2^9051865 is an apocalyptic number.

It is an amenable number.

9051865 is a deficient number, since it is larger than the sum of its proper divisors (2228663).

9051865 is a wasteful number, since it uses less digits than its factorization.

9051865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 9051865 is about 3008.6317488187. The cubic root of 9051865 is about 208.4071859056.

The spelling of 9051865 in words is "nine million, fifty-one thousand, eight hundred sixty-five".