2562563536 has 20 divisors (see below), whose sum is σ = 5346887812. Its totient is φ = 1182721536.

The previous prime is 2562563473. The next prime is 2562563581. The reversal of 2562563536 is 6353652652.

It can be written as a sum of positive squares in 2 ways, for example, as 308213136 + 2254350400 = 17556^2 + 47480^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2562563492 and 2562563501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6159801 + ... + 6160216.

Almost surely, 2^2562563536 is an apocalyptic number.

2562563536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2562563536 is an abundant number, since it is smaller than the sum of its proper divisors (2784324276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2562563536 is a wasteful number, since it uses less digits than its factorization.

2562563536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12320038 (or 12320032 counting only the distinct ones).

The product of its digits is 972000, while the sum is 43.

The square root of 2562563536 is about 50621.7693882780. The cubic root of 2562563536 is about 1368.4372284350.

The spelling of 2562563536 in words is "two billion, five hundred sixty-two million, five hundred sixty-three thousand, five hundred thirty-six".