213152441 has 2 divisors, whose sum is σ = 213152442. Its totient is φ = 213152440.

The previous prime is 213152351. The next prime is 213152447. The reversal of 213152441 is 144251312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202777600 + 10374841 = 14240^2 + 3221^2 .

It is a cyclic number.

It is not a de Polignac number, because 213152441 - 2¹⁰ = 213151417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (213152447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106576220 + 106576221.

It is an arithmetic number, because the mean of its divisors is an integer number (106576221).

Almost surely, 2^213152441 is an apocalyptic number.

It is an amenable number.

213152441 is a deficient number, since it is larger than the sum of its proper divisors (1).

213152441 is an equidigital number, since it uses as much as digits as its factorization.

213152441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 213152441 is about 14599.7411278420. The cubic root of 213152441 is about 597.3516993336.

The spelling of 213152441 in words is "two hundred thirteen million, one hundred fifty-two thousand, four hundred forty-one".