213254133 has 4 divisors (see below), whose sum is σ = 284338848. Its totient is φ = 142169420.

The previous prime is 213254123. The next prime is 213254179. The reversal of 213254133 is 331452312.

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 213254133 - 2⁸ = 213253877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213254123) 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, 35542353 + ... + 35542358.

It is an arithmetic number, because the mean of its divisors is an integer number (71084712).

Almost surely, 2^213254133 is an apocalyptic number.

It is an amenable number.

213254133 is a deficient number, since it is larger than the sum of its proper divisors (71084715).

213254133 is an equidigital number, since it uses as much as digits as its factorization.

213254133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71084714.

The product of its digits is 2160, while the sum is 24.

The square root of 213254133 is about 14603.2233770493. The cubic root of 213254133 is about 597.4466802323.

It can be divided in two parts, 2132 and 54133, that added together give a palindrome (56265).

The spelling of 213254133 in words is "two hundred thirteen million, two hundred fifty-four thousand, one hundred thirty-three".