204024145025 has 6 divisors (see below), whose sum is σ = 252989939862. Its totient is φ = 163219316000.

The previous prime is 204024145009. The next prime is 204024145027. The reversal of 204024145025 is 520541420402.

It can be written as a sum of positive squares in 3 ways, for example, as 587965504 + 203436179521 = 24248^2 + 451039^2 .

It is not a de Polignac number, because 204024145025 - 2⁴ = 204024145009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204024145027) 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, 4080482876 + ... + 4080482925.

It is an arithmetic number, because the mean of its divisors is an integer number (42164989977).

Almost surely, 2^204024145025 is an apocalyptic number.

204024145025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204024145025 is a deficient number, since it is larger than the sum of its proper divisors (48965794837).

204024145025 is an equidigital number, since it uses as much as digits as its factorization.

204024145025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8160965811 (or 8160965806 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 204024145025 its reverse (520541420402), we get a palindrome (724565565427).

The spelling of 204024145025 in words is "two hundred four billion, twenty-four million, one hundred forty-five thousand, twenty-five".