2566023 has 8 divisors (see below), whose sum is σ = 3468528. Its totient is φ = 1687104.

The previous prime is 2566021. The next prime is 2566027. The reversal of 2566023 is 3206652.

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

It is not a de Polignac number, because 2566023 - 2¹ = 2566021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2565984 and 2566002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5640 + ... + 6077.

It is an arithmetic number, because the mean of its divisors is an integer number (433566).

2^2566023 is an apocalyptic number.

2566023 is a deficient number, since it is larger than the sum of its proper divisors (902505).

2566023 is a wasteful number, since it uses less digits than its factorization.

2566023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11793.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2566023 is about 1601.8810817286. The cubic root of 2566023 is about 136.9052748861.

The spelling of 2566023 in words is "two million, five hundred sixty-six thousand, twenty-three".