1006281 has 12 divisors (see below), whose sum is σ = 1539252. Its totient is φ = 631296.

The previous prime is 1006279. The next prime is 1006301. The reversal of 1006281 is 1826001.

It can be written as a sum of positive squares in 2 ways, for example, as 921600 + 84681 = 960^2 + 291^2 .

It is not a de Polignac number, because 1006281 - 2¹ = 1006279 is a prime.

It is a super-2 number, since 2×1006281² = 2025202901922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1006231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3136 + ... + 3441.

It is an arithmetic number, because the mean of its divisors is an integer number (128271).

2^1006281 is an apocalyptic number.

It is an amenable number.

1006281 is a deficient number, since it is larger than the sum of its proper divisors (532971).

1006281 is a wasteful number, since it uses less digits than its factorization.

1006281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6600 (or 6597 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1006281 is about 1003.1355840563. The cubic root of 1006281 is about 100.2089298459.

The spelling of 1006281 in words is "one million, six thousand, two hundred eighty-one".