103215325 has 6 divisors (see below), whose sum is σ = 127987034. Its totient is φ = 82572240.

The previous prime is 103215323. The next prime is 103215419. The reversal of 103215325 is 523512301.

It can be written as a sum of positive squares in 3 ways, for example, as 13704804 + 89510521 = 3702^2 + 9461^2 .

It is not a de Polignac number, because 103215325 - 2¹ = 103215323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103215296 and 103215305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103215323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2064282 + ... + 2064331.

Almost surely, 2^103215325 is an apocalyptic number.

It is an amenable number.

103215325 is a deficient number, since it is larger than the sum of its proper divisors (24771709).

103215325 is an equidigital number, since it uses as much as digits as its factorization.

103215325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128623 (or 4128618 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 103215325 is about 10159.4943279673. The cubic root of 103215325 is about 469.0812366952.

Adding to 103215325 its reverse (523512301), we get a palindrome (626727626).

The spelling of 103215325 in words is "one hundred three million, two hundred fifteen thousand, three hundred twenty-five".