213453241 has 8 divisors (see below), whose sum is σ = 229106664. Its totient is φ = 198144000.

The previous prime is 213453217. The next prime is 213453263. The reversal of 213453241 is 142354312.

213453241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54819216 + 158634025 = 7404^2 + 12595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213453241 - 2⁷ = 213453113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213453211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84760 + ... + 87241.

It is an arithmetic number, because the mean of its divisors is an integer number (28638333).

Almost surely, 2^213453241 is an apocalyptic number.

It is an amenable number.

213453241 is a deficient number, since it is larger than the sum of its proper divisors (15653423).

213453241 is a wasteful number, since it uses less digits than its factorization.

213453241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172091.

The product of its digits is 2880, while the sum is 25.

The square root of 213453241 is about 14610.0390485447. The cubic root of 213453241 is about 597.6325608204.

The spelling of 213453241 in words is "two hundred thirteen million, four hundred fifty-three thousand, two hundred forty-one".