5211561252 has 24 divisors (see below), whose sum is σ = 12296944800. Its totient is φ = 1717667776.

The previous prime is 5211561247. The next prime is 5211561253. The reversal of 5211561252 is 2521651125.

It is not an unprimeable number, because it can be changed into a prime (5211561253) 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, 2438802 + ... + 2440937.

It is an arithmetic number, because the mean of its divisors is an integer number (512372700).

Almost surely, 2^5211561252 is an apocalyptic number.

It is an amenable number.

5211561252 is an abundant number, since it is smaller than the sum of its proper divisors (7085383548).

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

5211561252 is a wasteful number, since it uses less digits than its factorization.

5211561252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879835 (or 4879833 counting only the distinct ones).

The product of its digits is 6000, while the sum is 30.

The square root of 5211561252 is about 72191.1438612798. The cubic root of 5211561252 is about 1733.7612101317.

The spelling of 5211561252 in words is "five billion, two hundred eleven million, five hundred sixty-one thousand, two hundred fifty-two".