213454241 has 48 divisors (see below), whose sum is σ = 299230848. Its totient is φ = 149587200.

The previous prime is 213454231. The next prime is 213454243. The reversal of 213454241 is 142454312.

It is not a de Polignac number, because 213454241 - 2¹⁰ = 213453217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213454241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213454243) 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 47 ways as a sum of consecutive naturals, for example, 286916 + ... + 287658.

It is an arithmetic number, because the mean of its divisors is an integer number (6233976).

Almost surely, 2^213454241 is an apocalyptic number.

It is an amenable number.

213454241 is a deficient number, since it is larger than the sum of its proper divisors (85776607).

213454241 is a wasteful number, since it uses less digits than its factorization.

213454241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 815 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 213454241 is about 14610.0732715480. The cubic root of 213454241 is about 597.6334940953.

It can be divided in two parts, 213 and 454241, that added together give a palindrome (454454).

The spelling of 213454241 in words is "two hundred thirteen million, four hundred fifty-four thousand, two hundred forty-one".