281295 has 48 divisors (see below), whose sum is σ = 599040. Its totient is φ = 119232.

The previous prime is 281291. The next prime is 281297. The reversal of 281295 is 592182.

281295 = 1² + 2² + ... + 94².

It is not a de Polignac number, because 281295 - 2² = 281291 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁵ + 8⁵ + 2¹⁷ + 1 + 9⁴ + 5⁷ .

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5962 + ... + 6008.

It is an arithmetic number, because the mean of its divisors is an integer number (12480).

2²⁸¹²⁹⁵ is an apocalyptic number.

281295 is an abundant number, since it is smaller than the sum of its proper divisors (317745).

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

281295 is a wasteful number, since it uses less digits than its factorization.

281295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 81 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 281295 is about 530.3725105999. The cubic root of 281295 is about 65.5220289907.

It can be divided in two parts, 281 and 295, that added together give a square (576 = 24²).

The spelling of 281295 in words is "two hundred eighty-one thousand, two hundred ninety-five".