2563269 has 4 divisors (see below), whose sum is σ = 3417696. Its totient is φ = 1708844.

The previous prime is 2563261. The next prime is 2563291. The reversal of 2563269 is 9623652.

2563269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2563269 - 2³ = 2563261 is a prime.

It is a super-2 number, since 2×2563269² = 13140695932722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2² + 5⁸ + 6³ + 3¹³ + 2² + 6⁶ + 9⁶ .

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427209 + ... + 427214.

It is an arithmetic number, because the mean of its divisors is an integer number (854424).

2^2563269 is an apocalyptic number.

It is an amenable number.

2563269 is a deficient number, since it is larger than the sum of its proper divisors (854427).

2563269 is an equidigital number, since it uses as much as digits as its factorization.

2563269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854426.

The product of its digits is 19440, while the sum is 33.

The square root of 2563269 is about 1601.0212365862. The cubic root of 2563269 is about 136.8562792102.

The spelling of 2563269 in words is "two million, five hundred sixty-three thousand, two hundred sixty-nine".