532918809 has 12 divisors (see below), whose sum is σ = 803240256. Its totient is φ = 339832152.

The previous prime is 532918787. The next prime is 532918817. The reversal of 532918809 is 908819235.

It is a happy number.

It is not a de Polignac number, because 532918809 - 2¹² = 532914713 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (532918849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1287037 + ... + 1287450.

It is an arithmetic number, because the mean of its divisors is an integer number (66936688).

Almost surely, 2^532918809 is an apocalyptic number.

It is an amenable number.

532918809 is a deficient number, since it is larger than the sum of its proper divisors (270321447).

532918809 is a wasteful number, since it uses less digits than its factorization.

532918809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574516 (or 2574513 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 532918809 is about 23085.0343079667. The cubic root of 532918809 is about 810.7501098930.

The spelling of 532918809 in words is "five hundred thirty-two million, nine hundred eighteen thousand, eight hundred nine".