2564532006 has 16 divisors (see below), whose sum is σ = 5179848048. Its totient is φ = 846380000.

The previous prime is 2564531969. The next prime is 2564532029. The reversal of 2564532006 is 6002354652.

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 7 ways as a sum of consecutive naturals, for example, 2115345 + ... + 2116556.

It is an arithmetic number, because the mean of its divisors is an integer number (323740503).

Almost surely, 2^2564532006 is an apocalyptic number.

2564532006 is an abundant number, since it is smaller than the sum of its proper divisors (2615316042).

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

2564532006 is a wasteful number, since it uses less digits than its factorization.

2564532006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232007.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 2564532006 is about 50641.2085756254. The cubic root of 2564532006 is about 1368.7875336593.

Adding to 2564532006 its reverse (6002354652), we get a palindrome (8566886658).

The spelling of 2564532006 in words is "two billion, five hundred sixty-four million, five hundred thirty-two thousand, six".