210009053 has 2 divisors, whose sum is σ = 210009054. Its totient is φ = 210009052.

The previous prime is 210009043. The next prime is 210009073. The reversal of 210009053 is 350900012.

It is an a-pointer prime, because the next prime (210009073) can be obtained adding 210009053 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203547289 + 6461764 = 14267^2 + 2542^2 .

It is a cyclic number.

It is not a de Polignac number, because 210009053 - 2⁶ = 210008989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210009043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105004526 + 105004527.

It is an arithmetic number, because the mean of its divisors is an integer number (105004527).

Almost surely, 2^210009053 is an apocalyptic number.

It is an amenable number.

210009053 is a deficient number, since it is larger than the sum of its proper divisors (1).

210009053 is an equidigital number, since it uses as much as digits as its factorization.

210009053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 210009053 is about 14491.6891009985. The cubic root of 210009053 is about 594.4007364751.

Adding to 210009053 its reverse (350900012), we get a palindrome (560909065).

The spelling of 210009053 in words is "two hundred ten million, nine thousand, fifty-three".