210007873 has 2 divisors, whose sum is σ = 210007874. Its totient is φ = 210007872.

The previous prime is 210007849. The next prime is 210007877. The reversal of 210007873 is 378700012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177209344 + 32798529 = 13312^2 + 5727^2 .

It is a cyclic number.

It is not a de Polignac number, because 210007873 - 2⁵ = 210007841 is a prime.

It is not a weakly prime, because it can be changed into another prime (210007877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105003936 + 105003937.

It is an arithmetic number, because the mean of its divisors is an integer number (105003937).

Almost surely, 2^210007873 is an apocalyptic number.

It is an amenable number.

210007873 is a deficient number, since it is larger than the sum of its proper divisors (1).

210007873 is an equidigital number, since it uses as much as digits as its factorization.

210007873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 210007873 is about 14491.6483879509. The cubic root of 210007873 is about 594.3996231990.

Adding to 210007873 its reverse (378700012), we get a palindrome (588707885).

The spelling of 210007873 in words is "two hundred ten million, seven thousand, eight hundred seventy-three".