87302025 has 18 divisors (see below), whose sum is σ = 156368030. Its totient is φ = 46560960.

The previous prime is 87302011. The next prime is 87302027. The reversal of 87302025 is 52020378.

It can be written as a sum of positive squares in 3 ways, for example, as 197136 + 87104889 = 444^2 + 9333^2 .

It is not a de Polignac number, because 87302025 - 2⁶ = 87301961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87302025.

It is not an unprimeable number, because it can be changed into a prime (87302027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 193780 + ... + 194229.

Almost surely, 2^87302025 is an apocalyptic number.

It is an amenable number.

87302025 is a deficient number, since it is larger than the sum of its proper divisors (69066005).

87302025 is a wasteful number, since it uses less digits than its factorization.

87302025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388025 (or 388017 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 87302025 is about 9343.5552655293. Note that the first 3 decimals coincide. The cubic root of 87302025 is about 443.6169236611.

The spelling of 87302025 in words is "eighty-seven million, three hundred two thousand, twenty-five".