Adding to 87232511 its reverse (11523278), we get a palindrome (98755789).
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 2k-87232511 is a prime.
It is a Duffinian number.
It is a congruent number.
Almost surely, 287232511 is an apocalyptic number.
87232511 is a wasteful number, since it uses less digits than its factorization.
87232511 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1104288.
The square root of 87232511 is about 9339.8346345104. The cubic root of 87232511 is about 443.4991494734.
The spelling of 87232511 in words is "eighty-seven million, two hundred thirty-two thousand, five hundred eleven".