285049 has 2 divisors, whose sum is σ = 285050. Its totient is φ = 285048.

The previous prime is 285031. The next prime is 285071. The reversal of 285049 is 940582.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283024 + 2025 = 532^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 285049 - 2¹¹ = 283001 is a prime.

285049 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (285079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142524 + 142525.

It is an arithmetic number, because the mean of its divisors is an integer number (142525).

2²⁸⁵⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

285049 is a deficient number, since it is larger than the sum of its proper divisors (1).

285049 is an equidigital number, since it uses as much as digits as its factorization.

285049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 285049 is about 533.8998033339. The cubic root of 285049 is about 65.8122149143.

The spelling of 285049 in words is "two hundred eighty-five thousand, forty-nine".