287141 has 2 divisors, whose sum is σ = 287142. Its totient is φ = 287140.

The previous prime is 287137. The next prime is 287149. The reversal of 287141 is 141782.

287141 is nontrivially palindromic in base 13.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280900 + 6241 = 530^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 287141 - 2² = 287137 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

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 287141.

It is not a weakly prime, because it can be changed into another prime (287149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143570 + 143571.

It is an arithmetic number, because the mean of its divisors is an integer number (143571).

2²⁸⁷¹⁴¹ is an apocalyptic number.

It is an amenable number.

287141 is a deficient number, since it is larger than the sum of its proper divisors (1).

287141 is an equidigital number, since it uses as much as digits as its factorization.

287141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 23.

The square root of 287141 is about 535.8553909405. The cubic root of 287141 is about 65.9728232156.

It can be divided in two parts, 2871 and 41, that multiplied together give a palindrome (117711).

The spelling of 287141 in words is "two hundred eighty-seven thousand, one hundred forty-one".