212872253 has 4 divisors (see below), whose sum is σ = 232224288. Its totient is φ = 193520220.

The previous prime is 212872237. The next prime is 212872279. The reversal of 212872253 is 352278212.

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 212872253 - 2⁴ = 212872237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212872553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9676001 + ... + 9676022.

It is an arithmetic number, because the mean of its divisors is an integer number (58056072).

Almost surely, 2^212872253 is an apocalyptic number.

It is an amenable number.

212872253 is a deficient number, since it is larger than the sum of its proper divisors (19352035).

212872253 is a wasteful number, since it uses less digits than its factorization.

212872253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19352034.

The product of its digits is 13440, while the sum is 32.

The square root of 212872253 is about 14590.1423228151. The cubic root of 212872253 is about 597.0898457875.

The spelling of 212872253 in words is "two hundred twelve million, eight hundred seventy-two thousand, two hundred fifty-three".