5211852881 has 4 divisors (see below), whose sum is σ = 5212793652. Its totient is φ = 5210912112.

The previous prime is 5211852857. The next prime is 5211852913. The reversal of 5211852881 is 1882581125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2143690000 + 3068162881 = 46300^2 + 55391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5211852881 is a prime.

It is a super-2 number, since 2×5211852881² = 54326820906376000322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211852181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462026 + ... + 473171.

It is an arithmetic number, because the mean of its divisors is an integer number (1303198413).

Almost surely, 2^5211852881 is an apocalyptic number.

It is an amenable number.

5211852881 is a deficient number, since it is larger than the sum of its proper divisors (940771).

5211852881 is an equidigital number, since it uses as much as digits as its factorization.

5211852881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940770.

The product of its digits is 51200, while the sum is 41.

The square root of 5211852881 is about 72193.1636721927. The cubic root of 5211852881 is about 1733.7935488490.

The spelling of 5211852881 in words is "five billion, two hundred eleven million, eight hundred fifty-two thousand, eight hundred eighty-one".