87525205 has 8 divisors (see below), whose sum is σ = 105440472. Its totient is φ = 69746688.

The previous prime is 87525199. The next prime is 87525209. The reversal of 87525205 is 50252578.

It can be written as a sum of positive squares in 4 ways, for example, as 22867524 + 64657681 = 4782^2 + 8041^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 87525205 - 2⁵ = 87525173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87525209) 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, 32772 + ... + 35341.

It is an arithmetic number, because the mean of its divisors is an integer number (13180059).

Almost surely, 2^87525205 is an apocalyptic number.

It is an amenable number.

87525205 is a deficient number, since it is larger than the sum of its proper divisors (17915267).

87525205 is a wasteful number, since it uses less digits than its factorization.

87525205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68375.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 87525205 is about 9355.4906338471. The cubic root of 87525205 is about 443.9946246272.

The spelling of 87525205 in words is "eighty-seven million, five hundred twenty-five thousand, two hundred five".