2653859 has 4 divisors (see below), whose sum is σ = 2858016. Its totient is φ = 2449704.

The previous prime is 2653841. The next prime is 2653867. The reversal of 2653859 is 9583562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2653859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2653459) 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, 102059 + ... + 102084.

It is an arithmetic number, because the mean of its divisors is an integer number (714504).

2^2653859 is an apocalyptic number.

2653859 is a deficient number, since it is larger than the sum of its proper divisors (204157).

2653859 is a wasteful number, since it uses less digits than its factorization.

2653859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204156.

The product of its digits is 64800, while the sum is 38.

The square root of 2653859 is about 1629.0669108419. The cubic root of 2653859 is about 138.4498899903.

The spelling of 2653859 in words is "two million, six hundred fifty-three thousand, eight hundred fifty-nine".