532920691 has 4 divisors (see below), whose sum is σ = 534015472. Its totient is φ = 531825912.

The previous prime is 532920631. The next prime is 532920719. The reversal of 532920691 is 196029235.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-532920691 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 532920691.

It is not an unprimeable number, because it can be changed into a prime (532920601) 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, 546660 + ... + 547633.

It is an arithmetic number, because the mean of its divisors is an integer number (133503868).

Almost surely, 2^532920691 is an apocalyptic number.

532920691 is a deficient number, since it is larger than the sum of its proper divisors (1094781).

532920691 is a wasteful number, since it uses less digits than its factorization.

532920691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094780.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 532920691 is about 23085.0750702700. The cubic root of 532920691 is about 810.7510642785.

The spelling of 532920691 in words is "five hundred thirty-two million, nine hundred twenty thousand, six hundred ninety-one".