204625345 has 16 divisors (see below), whose sum is σ = 273680640. Its totient is φ = 145960704.

The previous prime is 204625339. The next prime is 204625381. The reversal of 204625345 is 543526402.

It is a cyclic number.

It is not a de Polignac number, because 204625345 - 2⁷ = 204625217 is a prime.

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, 61737 + ... + 64966.

It is an arithmetic number, because the mean of its divisors is an integer number (17105040).

Almost surely, 2^204625345 is an apocalyptic number.

It is an amenable number.

204625345 is a deficient number, since it is larger than the sum of its proper divisors (69055295).

204625345 is a wasteful number, since it uses less digits than its factorization.

204625345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126744.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 204625345 is about 14304.7315598721. The cubic root of 204625345 is about 589.2774310541.

The spelling of 204625345 in words is "two hundred four million, six hundred twenty-five thousand, three hundred forty-five".