212528283 has 16 divisors (see below), whose sum is σ = 309384192. Its totient is φ = 128700000.

The previous prime is 212528263. The next prime is 212528299. The reversal of 212528283 is 382825212.

It is not a de Polignac number, because 212528283 - 2⁹ = 212527771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (212528213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62733 + ... + 66033.

It is an arithmetic number, because the mean of its divisors is an integer number (19336512).

Almost surely, 2^212528283 is an apocalyptic number.

212528283 is a deficient number, since it is larger than the sum of its proper divisors (96855909).

212528283 is a wasteful number, since it uses less digits than its factorization.

212528283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266.

The product of its digits is 15360, while the sum is 33.

The square root of 212528283 is about 14578.3498037329. The cubic root of 212528283 is about 596.7680695226.

The spelling of 212528283 in words is "two hundred twelve million, five hundred twenty-eight thousand, two hundred eighty-three".