5421632 has 14 divisors (see below), whose sum is σ = 10758678. Its totient is φ = 2710784.

The previous prime is 5421607. The next prime is 5421641. The reversal of 5421632 is 2361245.

It can be written as a sum of positive squares in only one way, i.e., 5125696 + 295936 = 2264^2 + 544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5421598 and 5421607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42293 + ... + 42420.

It is an arithmetic number, because the mean of its divisors is an integer number (768477).

Almost surely, 2^5421632 is an apocalyptic number.

It is an amenable number.

5421632 is a deficient number, since it is larger than the sum of its proper divisors (5337046).

5421632 is an equidigital number, since it uses as much as digits as its factorization.

5421632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84725 (or 84715 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 5421632 is about 2328.4398209960. The cubic root of 5421632 is about 175.6750201364.

Adding to 5421632 its reverse (2361245), we get a palindrome (7782877).

The spelling of 5421632 in words is "five million, four hundred twenty-one thousand, six hundred thirty-two".