213075241 has 4 divisors (see below), whose sum is σ = 213115732. Its totient is φ = 213034752.

The previous prime is 213075221. The next prime is 213075251. The reversal of 213075241 is 142570312.

It is a happy number.

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 177422400 + 35652841 = 13320^2 + 5971^2 .

It is a cyclic number.

It is not a de Polignac number, because 213075241 - 2¹¹ = 213073193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213075221) 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, 10920 + ... + 23353.

It is an arithmetic number, because the mean of its divisors is an integer number (53278933).

Almost surely, 2^213075241 is an apocalyptic number.

It is an amenable number.

213075241 is a deficient number, since it is larger than the sum of its proper divisors (40491).

213075241 is an equidigital number, since it uses as much as digits as its factorization.

213075241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40490.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 213075241 is about 14597.0970059118. The cubic root of 213075241 is about 597.2795739265.

The spelling of 213075241 in words is "two hundred thirteen million, seventy-five thousand, two hundred forty-one".