532687987 has 4 divisors (see below), whose sum is σ = 573664000. Its totient is φ = 491711976.

The previous prime is 532687957. The next prime is 532688003. The reversal of 532687987 is 789786235.

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-532687987 is a prime.

It is a super-2 number, since 2×532687987² = 567512982988224338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (532687907) 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, 20487987 + ... + 20488012.

It is an arithmetic number, because the mean of its divisors is an integer number (143416000).

Almost surely, 2^532687987 is an apocalyptic number.

532687987 is a deficient number, since it is larger than the sum of its proper divisors (40976013).

532687987 is a wasteful number, since it uses less digits than its factorization.

532687987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40976012.

The product of its digits is 5080320, while the sum is 55.

The square root of 532687987 is about 23080.0343803903. The cubic root of 532687987 is about 810.6330401608.

The spelling of 532687987 in words is "five hundred thirty-two million, six hundred eighty-seven thousand, nine hundred eighty-seven".