213000020053 has 2 divisors, whose sum is σ = 213000020054. Its totient is φ = 213000020052.

The previous prime is 213000019987. The next prime is 213000020069. The reversal of 213000020053 is 350020000312.

It is an a-pointer prime, because the next prime (213000020069) can be obtained adding 213000020053 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205823727684 + 7176292369 = 453678^2 + 84713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213000020053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213000020083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106500010026 + 106500010027.

It is an arithmetic number, because the mean of its divisors is an integer number (106500010027).

Almost surely, 2^213000020053 is an apocalyptic number.

It is an amenable number.

213000020053 is a deficient number, since it is larger than the sum of its proper divisors (1).

213000020053 is an equidigital number, since it uses as much as digits as its factorization.

213000020053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 213000020053 its reverse (350020000312), we get a palindrome (563020020365).

The spelling of 213000020053 in words is "two hundred thirteen billion, twenty thousand, fifty-three".