213253411 has 4 divisors (see below), whose sum is σ = 243718192. Its totient is φ = 182788632.

The previous prime is 213253393. The next prime is 213253421. The reversal of 213253411 is 114352312.

It is a happy number.

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 213253411 - 2⁵ = 213253379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213253421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15232380 + ... + 15232393.

It is an arithmetic number, because the mean of its divisors is an integer number (60929548).

Almost surely, 2^213253411 is an apocalyptic number.

213253411 is a deficient number, since it is larger than the sum of its proper divisors (30464781).

213253411 is an equidigital number, since it uses as much as digits as its factorization.

213253411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30464780.

The product of its digits is 720, while the sum is 22.

The square root of 213253411 is about 14603.1986564588. The cubic root of 213253411 is about 597.4460059867.

The spelling of 213253411 in words is "two hundred thirteen million, two hundred fifty-three thousand, four hundred eleven".