87024530 has 16 divisors (see below), whose sum is σ = 165858840. Its totient is φ = 32762112.

The previous prime is 87024473. The next prime is 87024593. The reversal of 87024530 is 3542078.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 86248369 + 776161 = 9287^2 + 881^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87024493 and 87024502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255785 + ... + 256124.

Almost surely, 2^87024530 is an apocalyptic number.

87024530 is a deficient number, since it is larger than the sum of its proper divisors (78834310).

87024530 is a wasteful number, since it uses less digits than its factorization.

87024530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511933.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 87024530 is about 9328.6939064373. The cubic root of 87024530 is about 443.1464033127.

The spelling of 87024530 in words is "eighty-seven million, twenty-four thousand, five hundred thirty".