5251220132 has 12 divisors (see below), whose sum is σ = 9192708336. Its totient is φ = 2624732040.

The previous prime is 5251220131. The next prime is 5251220141. The reversal of 5251220132 is 2310221525.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5251220098 and 5251220107.

It is not an unprimeable number, because it can be changed into a prime (5251220131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205958 + ... + 230045.

It is an arithmetic number, because the mean of its divisors is an integer number (766059028).

Almost surely, 2^5251220132 is an apocalyptic number.

It is an amenable number.

5251220132 is a deficient number, since it is larger than the sum of its proper divisors (3941488204).

5251220132 is a wasteful number, since it uses less digits than its factorization.

5251220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439018 (or 439016 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5251220132 is about 72465.3029525165. The cubic root of 5251220132 is about 1738.1479536440.

Adding to 5251220132 its reverse (2310221525), we get a palindrome (7561441657).

The spelling of 5251220132 in words is "five billion, two hundred fifty-one million, two hundred twenty thousand, one hundred thirty-two".