213853413 has 4 divisors (see below), whose sum is σ = 285137888. Its totient is φ = 142568940.

The previous prime is 213853411. The next prime is 213853433. The reversal of 213853413 is 314358312.

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 not a de Polignac number, because 213853413 - 2¹ = 213853411 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 (213853411) 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, 35642233 + ... + 35642238.

It is an arithmetic number, because the mean of its divisors is an integer number (71284472).

Almost surely, 2^213853413 is an apocalyptic number.

It is an amenable number.

213853413 is a deficient number, since it is larger than the sum of its proper divisors (71284475).

213853413 is an equidigital number, since it uses as much as digits as its factorization.

213853413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71284474.

The product of its digits is 8640, while the sum is 30.

The square root of 213853413 is about 14623.7277395334. The cubic root of 213853413 is about 598.0057987231.

The spelling of 213853413 in words is "two hundred thirteen million, eight hundred fifty-three thousand, four hundred thirteen".