213252041 has 2 divisors, whose sum is σ = 213252042. Its totient is φ = 213252040.

The previous prime is 213252037. The next prime is 213252043. The reversal of 213252041 is 140252312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132342016 + 80910025 = 11504^2 + 8995^2 .

It is a cyclic number.

It is not a de Polignac number, because 213252041 - 2² = 213252037 is a prime.

Together with 213252043, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213252043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106626020 + 106626021.

It is an arithmetic number, because the mean of its divisors is an integer number (106626021).

Almost surely, 2^213252041 is an apocalyptic number.

It is an amenable number.

213252041 is a deficient number, since it is larger than the sum of its proper divisors (1).

213252041 is an equidigital number, since it uses as much as digits as its factorization.

213252041 is an evil number, because the sum of its binary digits is even.

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

The square root of 213252041 is about 14603.1517488520. The cubic root of 213252041 is about 597.4447265968. Note that the first 3 decimals are identical.

The spelling of 213252041 in words is "two hundred thirteen million, two hundred fifty-two thousand, forty-one".