87471225 has 24 divisors (see below), whose sum is σ = 160689120. Its totient is φ = 46650960.

The previous prime is 87471203. The next prime is 87471233. The reversal of 87471225 is 52217478.

It is not a de Polignac number, because 87471225 - 2⁸ = 87470969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87471225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64119 + ... + 65468.

It is an arithmetic number, because the mean of its divisors is an integer number (6695380).

Almost surely, 2^87471225 is an apocalyptic number.

It is an amenable number.

87471225 is a deficient number, since it is larger than the sum of its proper divisors (73217895).

87471225 is a wasteful number, since it uses less digits than its factorization.

87471225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129606 (or 129595 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 87471225 is about 9352.6052520140. The cubic root of 87471225 is about 443.9033299401.

The spelling of 87471225 in words is "eighty-seven million, four hundred seventy-one thousand, two hundred twenty-five".