87250 has 16 divisors (see below), whose sum is σ = 163800. Its totient is φ = 34800.

The previous prime is 87223. The next prime is 87251. The reversal of 87250 is 5278.

It can be written as a sum of positive squares in 4 ways, for example, as 35721 + 51529 = 189^2 + 227^2 .

It is a super-2 number, since 2×87250² = 15225125000, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (87251) by changing a digit.

87250 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76 + ... + 424.

2⁸⁷²⁵⁰ is an apocalyptic number.

87250 is a deficient number, since it is larger than the sum of its proper divisors (76550).

87250 is a wasteful number, since it uses less digits than its factorization.

87250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 87250 is about 295.3811097548. The cubic root of 87250 is about 44.3528786124.

The spelling of 87250 in words is "eighty-seven thousand, two hundred fifty".