5321538 has 40 divisors (see below), whose sum is σ = 12074832. Its totient is φ = 1751544.

The previous prime is 5321507. The next prime is 5321593. The reversal of 5321538 is 8351235.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17181 + ... + 17487.

Almost surely, 2^5321538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5321538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6037416).

5321538 is an abundant number, since it is smaller than the sum of its proper divisors (6753294).

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

5321538 is a wasteful number, since it uses less digits than its factorization.

5321538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 419 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5321538 is about 2306.8458986244. The cubic root of 5321538 is about 174.5871957167.

The spelling of 5321538 in words is "five million, three hundred twenty-one thousand, five hundred thirty-eight".