204354445354225 has 12 divisors (see below), whose sum is σ = 253500750635776. Its totient is φ = 163418241188880.

The previous prime is 204354445354219. The next prime is 204354445354229. The reversal of 204354445354225 is 522453544453402.

It is not a de Polignac number, because 204354445354225 - 2¹⁵ = 204354445321457 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204354445354229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1632813537 + ... + 1632938686.

Almost surely, 2^{204354445354225} is an apocalyptic number.

204354445354225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204354445354225 is a deficient number, since it is larger than the sum of its proper divisors (49146305281551).

204354445354225 is a wasteful number, since it uses less digits than its factorization.

204354445354225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265754736 (or 3265754731 counting only the distinct ones).

The product of its (nonzero) digits is 46080000, while the sum is 52.

The spelling of 204354445354225 in words is "two hundred four trillion, three hundred fifty-four billion, four hundred forty-five million, three hundred fifty-four thousand, two hundred twenty-five".