212554153 has 4 divisors (see below), whose sum is σ = 242919040. Its totient is φ = 182189268.

The previous prime is 212554151. The next prime is 212554193. The reversal of 212554153 is 351455212.

212554153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212554153 - 2¹ = 212554151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212554151) 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, 15182433 + ... + 15182446.

It is an arithmetic number, because the mean of its divisors is an integer number (60729760).

Almost surely, 2^212554153 is an apocalyptic number.

It is an amenable number.

212554153 is a deficient number, since it is larger than the sum of its proper divisors (30364887).

212554153 is an equidigital number, since it uses as much as digits as its factorization.

212554153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30364886.

The product of its digits is 6000, while the sum is 28.

The square root of 212554153 is about 14579.2370513686. The cubic root of 212554153 is about 596.7922823997.

The spelling of 212554153 in words is "two hundred twelve million, five hundred fifty-four thousand, one hundred fifty-three".