213525044233 has 2 divisors, whose sum is σ = 213525044234. Its totient is φ = 213525044232.

The previous prime is 213525044231. The next prime is 213525044263. The reversal of 213525044233 is 332440525312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153121168249 + 60403875984 = 391307^2 + 245772^2 .

It is a cyclic number.

It is not a de Polignac number, because 213525044233 - 2¹ = 213525044231 is a prime.

Together with 213525044231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (213525044231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106762522116 + 106762522117.

It is an arithmetic number, because the mean of its divisors is an integer number (106762522117).

Almost surely, 2^213525044233 is an apocalyptic number.

It is an amenable number.

213525044233 is a deficient number, since it is larger than the sum of its proper divisors (1).

213525044233 is an equidigital number, since it uses as much as digits as its factorization.

213525044233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 213525044233 its reverse (332440525312), we get a palindrome (545965569545).

The spelling of 213525044233 in words is "two hundred thirteen billion, five hundred twenty-five million, forty-four thousand, two hundred thirty-three".