204968351 has 4 divisors (see below), whose sum is σ = 234249552. Its totient is φ = 175687152.

The previous prime is 204968347. The next prime is 204968353. The reversal of 204968351 is 153869402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204968351 - 2² = 204968347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204968353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14640590 + ... + 14640603.

It is an arithmetic number, because the mean of its divisors is an integer number (58562388).

Almost surely, 2^204968351 is an apocalyptic number.

204968351 is a deficient number, since it is larger than the sum of its proper divisors (29281201).

204968351 is an equidigital number, since it uses as much as digits as its factorization.

204968351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29281200.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 204968351 is about 14316.7157895936. The cubic root of 204968351 is about 589.6065086682.

The spelling of 204968351 in words is "two hundred four million, nine hundred sixty-eight thousand, three hundred fifty-one".