287052 has 24 divisors (see below), whose sum is σ = 705600. Its totient is φ = 90576.

The previous prime is 287047. The next prime is 287057. The reversal of 287052 is 250782.

It is an interprime number because it is at equal distance from previous prime (287047) and next prime (287057).

It is not an unprimeable number, because it can be changed into a prime (287057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402 + ... + 857.

It is an arithmetic number, because the mean of its divisors is an integer number (29400).

2²⁸⁷⁰⁵² is an apocalyptic number.

It is an amenable number.

287052 is an abundant number, since it is smaller than the sum of its proper divisors (418548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

287052 is a wasteful number, since it uses less digits than its factorization.

287052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1283 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 287052 is about 535.7723397116. The cubic root of 287052 is about 65.9660063695.

The spelling of 287052 in words is "two hundred eighty-seven thousand, fifty-two".