210245125 has 16 divisors (see below), whose sum is σ = 263158272. Its totient is φ = 167701200.

The previous prime is 210245081. The next prime is 210245153. The reversal of 210245125 is 521542012.

It is a de Polignac number, because none of the positive numbers 2^k-210245125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210245096 and 210245105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43584 + ... + 48166.

It is an arithmetic number, because the mean of its divisors is an integer number (16447392).

Almost surely, 2^210245125 is an apocalyptic number.

210245125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210245125 is a deficient number, since it is larger than the sum of its proper divisors (52913147).

210245125 is an equidigital number, since it uses as much as digits as its factorization.

210245125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965 (or 4955 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 210245125 is about 14499.8318955773. The cubic root of 210245125 is about 594.6233758056.

Adding to 210245125 its reverse (521542012), we get a palindrome (731787137).

The spelling of 210245125 in words is "two hundred ten million, two hundred forty-five thousand, one hundred twenty-five".