5621451232 has 24 divisors (see below), whose sum is σ = 11324612376. Its totient is φ = 2745359232.

The previous prime is 5621451203. The next prime is 5621451271. The reversal of 5621451232 is 2321541265.

It is a junction number, because it is equal to n+sod(n) for n = 5621451194 and 5621451203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041303 + ... + 2044054.

It is an arithmetic number, because the mean of its divisors is an integer number (471858849).

Almost surely, 2^5621451232 is an apocalyptic number.

It is an amenable number.

5621451232 is an abundant number, since it is smaller than the sum of its proper divisors (5703161144).

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

5621451232 is a wasteful number, since it uses less digits than its factorization.

5621451232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085410 (or 4085402 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 5621451232 is about 74976.3378140064. The cubic root of 5621451232 is about 1778.0725709245.

Adding to 5621451232 its reverse (2321541265), we get a palindrome (7942992497).

The spelling of 5621451232 in words is "five billion, six hundred twenty-one million, four hundred fifty-one thousand, two hundred thirty-two".