532239815 has 4 divisors (see below), whose sum is σ = 638687784. Its totient is φ = 425791848.

The previous prime is 532239811. The next prime is 532239839. The reversal of 532239815 is 518932235.

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 532239815 - 2² = 532239811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532239811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53223977 + ... + 53223986.

It is an arithmetic number, because the mean of its divisors is an integer number (159671946).

Almost surely, 2^532239815 is an apocalyptic number.

532239815 is a deficient number, since it is larger than the sum of its proper divisors (106447969).

532239815 is a wasteful number, since it uses less digits than its factorization.

532239815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106447968.

The product of its digits is 64800, while the sum is 38.

The square root of 532239815 is about 23070.3232530452. The cubic root of 532239815 is about 810.4056368937.

The spelling of 532239815 in words is "five hundred thirty-two million, two hundred thirty-nine thousand, eight hundred fifteen".