282133897 has 4 divisors (see below), whose sum is σ = 282232080. Its totient is φ = 282035716.

The previous prime is 282133889. The next prime is 282133963. The reversal of 282133897 is 798331282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 282133897 - 2³ = 282133889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (282133807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44647 + ... + 50572.

It is an arithmetic number, because the mean of its divisors is an integer number (70558020).

Almost surely, 2^282133897 is an apocalyptic number.

It is an amenable number.

282133897 is a deficient number, since it is larger than the sum of its proper divisors (98183).

282133897 is an equidigital number, since it uses as much as digits as its factorization.

282133897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98182.

The product of its digits is 145152, while the sum is 43.

The square root of 282133897 is about 16796.8418757813. The cubic root of 282133897 is about 655.8709909219.

The spelling of 282133897 in words is "two hundred eighty-two million, one hundred thirty-three thousand, eight hundred ninety-seven".