287552 has 14 divisors (see below), whose sum is σ = 570738. Its totient is φ = 143744.

The previous prime is 287549. The next prime is 287557. The reversal of 287552 is 255782.

It can be written as a sum of positive squares in only one way, i.e., 287296 + 256 = 536^2 + 16^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287552.

It is not an unprimeable number, because it can be changed into a prime (287557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2183 + ... + 2310.

It is an arithmetic number, because the mean of its divisors is an integer number (40767).

2²⁸⁷⁵⁵² is an apocalyptic number.

It is an amenable number.

287552 is a deficient number, since it is larger than the sum of its proper divisors (283186).

287552 is an equidigital number, since it uses as much as digits as its factorization.

287552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505 (or 4495 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 287552 is about 536.2387527958. The cubic root of 287552 is about 66.0042849988.

The spelling of 287552 in words is "two hundred eighty-seven thousand, five hundred fifty-two".