2566253023 has 4 divisors (see below), whose sum is σ = 2601407248. Its totient is φ = 2531098800.

The previous prime is 2566253021. The next prime is 2566253033. The reversal of 2566253023 is 3203526652.

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

It is a cyclic number.

It is not a de Polignac number, because 2566253023 - 2¹ = 2566253021 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 2566253023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566253021) 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, 17577003 + ... + 17577148.

It is an arithmetic number, because the mean of its divisors is an integer number (650351812).

Almost surely, 2^2566253023 is an apocalyptic number.

2566253023 is a deficient number, since it is larger than the sum of its proper divisors (35154225).

2566253023 is an equidigital number, since it uses as much as digits as its factorization.

2566253023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35154224.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 2566253023 is about 50658.1979841368. The cubic root of 2566253023 is about 1369.0936557701.

Adding to 2566253023 its reverse (3203526652), we get a palindrome (5769779675).

The spelling of 2566253023 in words is "two billion, five hundred sixty-six million, two hundred fifty-three thousand, twenty-three".