213022853 has 2 divisors, whose sum is σ = 213022854. Its totient is φ = 213022852.

The previous prime is 213022841. The next prime is 213022879. The reversal of 213022853 is 358220312.

It is an a-pointer prime, because the next prime (213022879) can be obtained adding 213022853 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212634724 + 388129 = 14582^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 213022853 - 2²² = 208828549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213022883) 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 as a sum of consecutive naturals, namely, 106511426 + 106511427.

It is an arithmetic number, because the mean of its divisors is an integer number (106511427).

Almost surely, 2^213022853 is an apocalyptic number.

It is an amenable number.

213022853 is a deficient number, since it is larger than the sum of its proper divisors (1).

213022853 is an equidigital number, since it uses as much as digits as its factorization.

213022853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 213022853 is about 14595.3024292065. The cubic root of 213022853 is about 597.2306196277.

The spelling of 213022853 in words is "two hundred thirteen million, twenty-two thousand, eight hundred fifty-three".