213541411 has 4 divisors (see below), whose sum is σ = 215431272. Its totient is φ = 211651552.

The previous prime is 213541409. The next prime is 213541417. The reversal of 213541411 is 114145312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213541411 - 2¹ = 213541409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213541417) 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, 944761 + ... + 944986.

It is an arithmetic number, because the mean of its divisors is an integer number (53857818).

Almost surely, 2^213541411 is an apocalyptic number.

213541411 is a deficient number, since it is larger than the sum of its proper divisors (1889861).

213541411 is a wasteful number, since it uses less digits than its factorization.

213541411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889860.

The product of its digits is 480, while the sum is 22.

The square root of 213541411 is about 14613.0561827429. The cubic root of 213541411 is about 597.7148364655.

Adding to 213541411 its reverse (114145312), we get a palindrome (327686723).

The spelling of 213541411 in words is "two hundred thirteen million, five hundred forty-one thousand, four hundred eleven".