212852825 has 12 divisors (see below), whose sum is σ = 268412880. Its totient is φ = 167394960.

The previous prime is 212852821. The next prime is 212852863. The reversal of 212852825 is 528258212.

It is not a de Polignac number, because 212852825 - 2² = 212852821 is a prime.

It is a super-2 number, since 2×212852825² = 90612650220961250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212852821) 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, 70679 + ... + 73628.

It is an arithmetic number, because the mean of its divisors is an integer number (22367740).

Almost surely, 2^212852825 is an apocalyptic number.

212852825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212852825 is a deficient number, since it is larger than the sum of its proper divisors (55560055).

212852825 is a wasteful number, since it uses less digits than its factorization.

212852825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144376 (or 144371 counting only the distinct ones).

The product of its digits is 25600, while the sum is 35.

The square root of 212852825 is about 14589.4765156259. The cubic root of 212852825 is about 597.0716805667.

The spelling of 212852825 in words is "two hundred twelve million, eight hundred fifty-two thousand, eight hundred twenty-five".