213250241 has 4 divisors (see below), whose sum is σ = 213406932. Its totient is φ = 213093552.

The previous prime is 213250237. The next prime is 213250259. The reversal of 213250241 is 142052312.

213250241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 211993600 + 1256641 = 14560^2 + 1121^2 .

It is a cyclic number.

It is not a de Polignac number, because 213250241 - 2² = 213250237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213250211) 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, 76286 + ... + 79031.

It is an arithmetic number, because the mean of its divisors is an integer number (53351733).

Almost surely, 2^213250241 is an apocalyptic number.

It is an amenable number.

213250241 is a deficient number, since it is larger than the sum of its proper divisors (156691).

213250241 is a wasteful number, since it uses less digits than its factorization.

213250241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156690.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 213250241 is about 14603.0901181907. The cubic root of 213250241 is about 597.4430456383.

The spelling of 213250241 in words is "two hundred thirteen million, two hundred fifty thousand, two hundred forty-one".