283000081 has 32 divisors (see below), whose sum is σ = 360815616. Its totient is φ = 216000000.

The previous prime is 283000061. The next prime is 283000093. The reversal of 283000081 is 180000382.

It is a 6-Lehmer number, since φ(283000081) divides (283000081-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 283000081 - 2¹⁵ = 282967313 is a prime.

It is a super-2 number, since 2×283000081² = 160178091692013122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (283000031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376456 + ... + 377206.

It is an arithmetic number, because the mean of its divisors is an integer number (11275488).

Almost surely, 2^283000081 is an apocalyptic number.

It is an amenable number.

283000081 is a deficient number, since it is larger than the sum of its proper divisors (77815535).

283000081 is a wasteful number, since it uses less digits than its factorization.

283000081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 283000081 is about 16822.6062487357. The cubic root of 283000081 is about 656.5415053728.

The spelling of 283000081 in words is "two hundred eighty-three million, eighty-one", and thus it is an aban number.