2581056852 has 24 divisors (see below), whose sum is σ = 6569963232. Its totient is φ = 782138400.

The previous prime is 2581056851. The next prime is 2581056937. The reversal of 2581056852 is 2586501852.

It is a super-2 number, since 2×2581056852² = 13323708946512299808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581056851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9776599 + ... + 9776862.

It is an arithmetic number, because the mean of its divisors is an integer number (273748468).

Almost surely, 2^2581056852 is an apocalyptic number.

2581056852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2581056852 is an abundant number, since it is smaller than the sum of its proper divisors (3988906380).

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

2581056852 is a wasteful number, since it uses less digits than its factorization.

2581056852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19553479 (or 19553477 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 2581056852 is about 50804.1027083443. The cubic root of 2581056852 is about 1371.7212194983.

The spelling of 2581056852 in words is "two billion, five hundred eighty-one million, fifty-six thousand, eight hundred fifty-two".