2562643852 has 24 divisors (see below), whose sum is σ = 4751596080. Its totient is φ = 1205145600.

The previous prime is 2562643847. The next prime is 2562643871. The reversal of 2562643852 is 2583462652.

It is a junction number, because it is equal to n+sod(n) for n = 2562643799 and 2562643808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97099 + ... + 120637.

It is an arithmetic number, because the mean of its divisors is an integer number (197983170).

Almost surely, 2^2562643852 is an apocalyptic number.

It is an amenable number.

2562643852 is a deficient number, since it is larger than the sum of its proper divisors (2188952228).

2562643852 is a wasteful number, since it uses less digits than its factorization.

2562643852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25161 (or 25159 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The square root of 2562643852 is about 50622.5626771304. The cubic root of 2562643852 is about 1368.4515248293.

The spelling of 2562643852 in words is "two billion, five hundred sixty-two million, six hundred forty-three thousand, eight hundred fifty-two".