2531284056 has 48 divisors (see below), whose sum is σ = 7834928400. Its totient is φ = 723223872.

The previous prime is 2531284051. The next prime is 2531284079. The reversal of 2531284056 is 6504821352.

It is a super-2 number, since 2×2531284056² = 12814797944319622272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2531284056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531284051) 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 11 ways as a sum of consecutive naturals, for example, 2510691 + ... + 2511698.

It is an arithmetic number, because the mean of its divisors is an integer number (163227675).

Almost surely, 2^2531284056 is an apocalyptic number.

It is an amenable number.

2531284056 is an abundant number, since it is smaller than the sum of its proper divisors (5303644344).

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

2531284056 is a wasteful number, since it uses less digits than its factorization.

2531284056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022408 (or 5022401 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2531284056 is about 50311.8679438560. The cubic root of 2531284056 is about 1362.8465565828.

Subtracting 2531284056 from its reverse (6504821352), we obtain a square (3973537296 = 63036²).

The spelling of 2531284056 in words is "two billion, five hundred thirty-one million, two hundred eighty-four thousand, fifty-six".