5251542366 has 96 divisors (see below), whose sum is σ = 12410496000. Its totient is φ = 1476951168.

The previous prime is 5251542341. The next prime is 5251542377. The reversal of 5251542366 is 6632451525.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10963315 + ... + 10963793.

It is an arithmetic number, because the mean of its divisors is an integer number (129276000).

Almost surely, 2^5251542366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5251542366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6205248000).

5251542366 is an abundant number, since it is smaller than the sum of its proper divisors (7158953634).

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

5251542366 is a wasteful number, since it uses less digits than its factorization.

5251542366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 999 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 5251542366 is about 72467.5262859165. The cubic root of 5251542366 is about 1738.1835059472.

The spelling of 5251542366 in words is "five billion, two hundred fifty-one million, five hundred forty-two thousand, three hundred sixty-six".