3215340125 has 8 divisors (see below), whose sum is σ = 4012744632. Its totient is φ = 2572272000.

The previous prime is 3215340109. The next prime is 3215340137. The reversal of 3215340125 is 5210435123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 979752601 + 2235587524 = 31301^2 + 47282^2 .

It is not a de Polignac number, because 3215340125 - 2⁴ = 3215340109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3215340094 and 3215340103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12861236 + ... + 12861485.

It is an arithmetic number, because the mean of its divisors is an integer number (501593079).

Almost surely, 2^3215340125 is an apocalyptic number.

It is an amenable number.

3215340125 is a deficient number, since it is larger than the sum of its proper divisors (797404507).

3215340125 is an equidigital number, since it uses as much as digits as its factorization.

3215340125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25722736 (or 25722726 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3215340125 is about 56703.9692173308. The cubic root of 3215340125 is about 1475.9635760738.

Adding to 3215340125 its reverse (5210435123), we get a palindrome (8425775248).

The spelling of 3215340125 in words is "three billion, two hundred fifteen million, three hundred forty thousand, one hundred twenty-five".