204245125 has 16 divisors (see below), whose sum is σ = 291313152. Its totient is φ = 140053200.

The previous prime is 204245101. The next prime is 204245137. The reversal of 204245125 is 521542402.

It is a de Polignac number, because none of the positive numbers 2^k-204245125 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204245125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115837 + ... + 117586.

It is an arithmetic number, because the mean of its divisors is an integer number (18207072).

Almost surely, 2^204245125 is an apocalyptic number.

204245125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204245125 is a deficient number, since it is larger than the sum of its proper divisors (87068027).

204245125 is an equidigital number, since it uses as much as digits as its factorization.

204245125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233445 (or 233435 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 204245125 is about 14291.4353722780. The cubic root of 204245125 is about 588.9122205397.

Adding to 204245125 its reverse (521542402), we get a palindrome (725787527).

The spelling of 204245125 in words is "two hundred four million, two hundred forty-five thousand, one hundred twenty-five".