532248391 has 4 divisors (see below), whose sum is σ = 538228800. Its totient is φ = 526267984.

The previous prime is 532248361. The next prime is 532248401. The reversal of 532248391 is 193842235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 532248391 - 2¹⁹ = 531724103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 532248391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532248361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2990071 + ... + 2990248.

It is an arithmetic number, because the mean of its divisors is an integer number (134557200).

Almost surely, 2^532248391 is an apocalyptic number.

532248391 is a deficient number, since it is larger than the sum of its proper divisors (5980409).

532248391 is an equidigital number, since it uses as much as digits as its factorization.

532248391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980408.

The product of its digits is 51840, while the sum is 37.

The square root of 532248391 is about 23070.5091187863. The cubic root of 532248391 is about 810.4099895691.

The spelling of 532248391 in words is "five hundred thirty-two million, two hundred forty-eight thousand, three hundred ninety-one".