320210125 has 8 divisors (see below), whose sum is σ = 399622392. Its totient is φ = 256168000.

The previous prime is 320210081. The next prime is 320210131. The reversal of 320210125 is 521012023.

It can be written as a sum of positive squares in 4 ways, for example, as 7557001 + 312653124 = 2749^2 + 17682^2 .

It is not a de Polignac number, because 320210125 - 2⁷ = 320209997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320210099 and 320210108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280716 + ... + 1280965.

It is an arithmetic number, because the mean of its divisors is an integer number (49952799).

Almost surely, 2^320210125 is an apocalyptic number.

It is an amenable number.

320210125 is a deficient number, since it is larger than the sum of its proper divisors (79412267).

320210125 is an equidigital number, since it uses as much as digits as its factorization.

320210125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561696 (or 2561686 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 320210125 is about 17894.4160284710. The cubic root of 320210125 is about 684.1400578702.

Adding to 320210125 its reverse (521012023), we get a palindrome (841222148).

It can be divided in two parts, 320 and 210125, that multiplied together give a square (67240000 = 8200²).

The spelling of 320210125 in words is "three hundred twenty million, two hundred ten thousand, one hundred twenty-five".