204382907025025 has 9 divisors (see below), whose sum is σ = 253434893347843. Its totient is φ = 163506268435000.

The previous prime is 204382907025013. The next prime is 204382907025049. The reversal of 204382907025025 is 520520709283402.

The square root of 204382907025025 is 14296255.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 73577846529009 + 130805060496016 = 8577753^2 + 11437004^2 .

It is not a de Polignac number, because 204382907025025 - 2²⁵ = 204382873470593 is a prime.

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 204382907025025.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 70051650 + ... + 72910900.

Almost surely, 2^{204382907025025} is an apocalyptic number.

204382907025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

204382907025025 is the 14296255-th square number.

204382907025025 is the 7148128-th centered octagonal number.

It is an amenable number.

204382907025025 is a deficient number, since it is larger than the sum of its proper divisors (49051986322818).

204382907025025 is an frugal number, since it uses more digits than its factorization.

204382907025025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718512 (or 2859256 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 204382907025025 in words is "two hundred four trillion, three hundred eighty-two billion, nine hundred seven million, twenty-five thousand, twenty-five".