204380847225 has 27 divisors (see below), whose sum is σ = 366080952783. Its totient is φ = 108999501840.

The previous prime is 204380847191. The next prime is 204380847259. The reversal of 204380847225 is 522748083402.

The square root of 204380847225 is 452085.

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

204380847225 is a `hidden beast` number, since 2 + 0 + 4 + 380 + 8 + 47 + 225 = 666.

It is an interprime number because it is at equal distance from previous prime (204380847191) and next prime (204380847259).

It can be written as a sum of positive squares in only one way, i.e., 73577105001 + 130803742224 = 271251^2 + 361668^2 .

It is not a de Polignac number, because 204380847225 - 2¹⁷ = 204380716153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6766206 + ... + 6796344.

Almost surely, 2^204380847225 is an apocalyptic number.

204380847225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

204380847225 is the 452085-th square number.

204380847225 is the 226043-rd centered octagonal number.

It is an amenable number.

204380847225 is a deficient number, since it is larger than the sum of its proper divisors (161700105558).

204380847225 is an frugal number, since it uses more digits than its factorization.

204380847225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60294 (or 30147 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 204380847225 in words is "two hundred four billion, three hundred eighty million, eight hundred forty-seven thousand, two hundred twenty-five".