205115325 has 24 divisors (see below), whose sum is σ = 339636000. Its totient is φ = 109229760.

The previous prime is 205115303. The next prime is 205115359. The reversal of 205115325 is 523511502.

It is a happy number.

It is not a de Polignac number, because 205115325 - 2⁸ = 205115069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205115295 and 205115304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60526 + ... + 63824.

It is an arithmetic number, because the mean of its divisors is an integer number (14151500).

Almost surely, 2^205115325 is an apocalyptic number.

205115325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205115325 is a deficient number, since it is larger than the sum of its proper divisors (134520675).

205115325 is a wasteful number, since it uses less digits than its factorization.

205115325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4136 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 205115325 is about 14321.8478207248. The cubic root of 205115325 is about 589.7474021642.

Adding to 205115325 its reverse (523511502), we get a palindrome (728626827).

The spelling of 205115325 in words is "two hundred five million, one hundred fifteen thousand, three hundred twenty-five".