212752369 has 16 divisors (see below), whose sum is σ = 225348480. Its totient is φ = 200464000.

The previous prime is 212752361. The next prime is 212752373. The reversal of 212752369 is 963257212.

It is a cyclic number.

It is not a de Polignac number, because 212752369 - 2³ = 212752361 is a prime.

It is a super-2 number, since 2×212752369² = 90527141030224322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212752361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790767 + ... + 791035.

It is an arithmetic number, because the mean of its divisors is an integer number (14084280).

Almost surely, 2^212752369 is an apocalyptic number.

It is an amenable number.

212752369 is a deficient number, since it is larger than the sum of its proper divisors (12596111).

212752369 is a wasteful number, since it uses less digits than its factorization.

212752369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its digits is 45360, while the sum is 37.

The square root of 212752369 is about 14586.0333538629. The cubic root of 212752369 is about 596.9777363574.

The spelling of 212752369 in words is "two hundred twelve million, seven hundred fifty-two thousand, three hundred sixty-nine".