2535865 has 8 divisors (see below), whose sum is σ = 3175488. Its totient is φ = 1940400.

The previous prime is 2535829. The next prime is 2535881. The reversal of 2535865 is 5685352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2535865 - 2⁹ = 2535353 is a prime.

It is a super-2 number, since 2×2535865² = 12861222596450, which contains 22 as substring.

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 2535865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10911 + ... + 11140.

It is an arithmetic number, because the mean of its divisors is an integer number (396936).

2^2535865 is an apocalyptic number.

It is an amenable number.

2535865 is a deficient number, since it is larger than the sum of its proper divisors (639623).

2535865 is a wasteful number, since it uses less digits than its factorization.

2535865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22079.

The product of its digits is 36000, while the sum is 34.

The square root of 2535865 is about 1592.4399517721. The cubic root of 2535865 is about 136.3668189830.

The spelling of 2535865 in words is "two million, five hundred thirty-five thousand, eight hundred sixty-five".