3612520325 has 6 divisors (see below), whose sum is σ = 4479525234. Its totient is φ = 2890016240.

The previous prime is 3612520319. The next prime is 3612520357. The reversal of 3612520325 is 5230252163.

It can be written as a sum of positive squares in 3 ways, for example, as 435056164 + 3177464161 = 20858^2 + 56369^2 .

It is not a de Polignac number, because 3612520325 - 2⁴ = 3612520309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72250382 + ... + 72250431.

It is an arithmetic number, because the mean of its divisors is an integer number (746587539).

Almost surely, 2^3612520325 is an apocalyptic number.

It is an amenable number.

3612520325 is a deficient number, since it is larger than the sum of its proper divisors (867004909).

3612520325 is a wasteful number, since it uses less digits than its factorization.

3612520325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144500823 (or 144500818 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 3612520325 is about 60104.2454823285. The cubic root of 3612520325 is about 1534.3935577222.

Adding to 3612520325 its reverse (5230252163), we get a palindrome (8842772488).

The spelling of 3612520325 in words is "three billion, six hundred twelve million, five hundred twenty thousand, three hundred twenty-five".