87531033 has 8 divisors (see below), whose sum is σ = 117779200. Its totient is φ = 57818448.

The previous prime is 87531007. The next prime is 87531049. The reversal of 87531033 is 33013578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87531033 - 2⁶ = 87530969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87531083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133513 + ... + 134166.

It is an arithmetic number, because the mean of its divisors is an integer number (14722400).

Almost surely, 2^87531033 is an apocalyptic number.

It is an amenable number.

87531033 is a deficient number, since it is larger than the sum of its proper divisors (30248167).

87531033 is a wasteful number, since it uses less digits than its factorization.

87531033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267791.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 87531033 is about 9355.8021035077. The cubic root of 87531033 is about 444.0044790961.

The spelling of 87531033 in words is "eighty-seven million, five hundred thirty-one thousand, thirty-three".