2556522303 has 4 divisors (see below), whose sum is σ = 3408696408. Its totient is φ = 1704348200.

The previous prime is 2556522281. The next prime is 2556522313. The reversal of 2556522303 is 3032256552.

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 2556522303 - 2⁸ = 2556522047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556522313) 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, 426087048 + ... + 426087053.

It is an arithmetic number, because the mean of its divisors is an integer number (852174102).

Almost surely, 2^2556522303 is an apocalyptic number.

2556522303 is a deficient number, since it is larger than the sum of its proper divisors (852174105).

2556522303 is an equidigital number, since it uses as much as digits as its factorization.

2556522303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852174104.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 2556522303 is about 50562.0638720375. The cubic root of 2556522303 is about 1367.3610205596.

Adding to 2556522303 its reverse (3032256552), we get a palindrome (5588778855).

The spelling of 2556522303 in words is "two billion, five hundred fifty-six million, five hundred twenty-two thousand, three hundred three".