87032525 has 6 divisors (see below), whose sum is σ = 107920362. Its totient is φ = 69626000.

The previous prime is 87032513. The next prime is 87032549. The reversal of 87032525 is 52523078.

It can be written as a sum of positive squares in 3 ways, for example, as 20675209 + 66357316 = 4547^2 + 8146^2 .

It is not a de Polignac number, because 87032525 - 2⁶ = 87032461 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87032491 and 87032500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1740626 + ... + 1740675.

It is an arithmetic number, because the mean of its divisors is an integer number (17986727).

Almost surely, 2^87032525 is an apocalyptic number.

It is an amenable number.

87032525 is a deficient number, since it is larger than the sum of its proper divisors (20887837).

87032525 is a wasteful number, since it uses less digits than its factorization.

87032525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481311 (or 3481306 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 87032525 is about 9329.1224131748. The cubic root of 87032525 is about 443.1599736130.

The spelling of 87032525 in words is "eighty-seven million, thirty-two thousand, five hundred twenty-five".