287254 has 12 divisors (see below), whose sum is σ = 474012. Its totient is φ = 130460.

The previous prime is 287251. The next prime is 287257. The reversal of 287254 is 452782.

It is an interprime number because it is at equal distance from previous prime (287251) and next prime (287257).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287251) 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 5 ways as a sum of consecutive naturals, for example, 352 + ... + 835.

It is an arithmetic number, because the mean of its divisors is an integer number (39501).

2²⁸⁷²⁵⁴ is an apocalyptic number.

287254 is a deficient number, since it is larger than the sum of its proper divisors (186758).

287254 is a wasteful number, since it uses less digits than its factorization.

287254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1200 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 287254 is about 535.9608194635. The cubic root of 287254 is about 65.9814762831.

It can be divided in two parts, 2872 and 54, that added together give a triangular number (2926 = T₇₆).

The spelling of 287254 in words is "two hundred eighty-seven thousand, two hundred fifty-four".