283212005 has 8 divisors (see below), whose sum is σ = 357741600. Its totient is φ = 214644816.

The previous prime is 283211983. The next prime is 283212037. The reversal of 283212005 is 500212382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 283212005 - 2¹⁰ = 283210981 is a prime.

It is a super-2 number, since 2×283212005² = 160418079552240050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490495 + ... + 1490684.

It is an arithmetic number, because the mean of its divisors is an integer number (44717700).

Almost surely, 2^283212005 is an apocalyptic number.

It is an amenable number.

283212005 is a deficient number, since it is larger than the sum of its proper divisors (74529595).

283212005 is a wasteful number, since it uses less digits than its factorization.

283212005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981203.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 283212005 is about 16828.9038561637. The cubic root of 283212005 is about 656.7053477119.

Adding to 283212005 its reverse (500212382), we get a palindrome (783424387).

The spelling of 283212005 in words is "two hundred eighty-three million, two hundred twelve thousand, five".