2552578269 has 4 divisors (see below), whose sum is σ = 3403437696. Its totient is φ = 1701718844.

The previous prime is 2552578267. The next prime is 2552578277. The reversal of 2552578269 is 9628752552.

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 2552578269 - 2¹ = 2552578267 is a prime.

It is a super-2 number, since 2×2552578269² = 13031311638742072722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552578267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425429709 + ... + 425429714.

It is an arithmetic number, because the mean of its divisors is an integer number (850859424).

Almost surely, 2^2552578269 is an apocalyptic number.

It is an amenable number.

2552578269 is a deficient number, since it is larger than the sum of its proper divisors (850859427).

2552578269 is an equidigital number, since it uses as much as digits as its factorization.

2552578269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850859426.

The product of its digits is 3024000, while the sum is 51.

The square root of 2552578269 is about 50523.0469093066. The cubic root of 2552578269 is about 1366.6575005202.

The spelling of 2552578269 in words is "two billion, five hundred fifty-two million, five hundred seventy-eight thousand, two hundred sixty-nine".