210103093 has 4 divisors (see below), whose sum is σ = 213547468. Its totient is φ = 206658720.

The previous prime is 210103043. The next prime is 210103097. The reversal of 210103093 is 390301012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48762289 + 161340804 = 6983^2 + 12702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210103093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210103093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210103097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1722096 + ... + 1722217.

It is an arithmetic number, because the mean of its divisors is an integer number (53386867).

Almost surely, 2^210103093 is an apocalyptic number.

It is an amenable number.

210103093 is a deficient number, since it is larger than the sum of its proper divisors (3444375).

210103093 is an equidigital number, since it uses as much as digits as its factorization.

210103093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444374.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 210103093 is about 14494.9333561766. The cubic root of 210103093 is about 594.4894455142.

The spelling of 210103093 in words is "two hundred ten million, one hundred three thousand, ninety-three".