204161407 has 2 divisors, whose sum is σ = 204161408. Its totient is φ = 204161406.

The previous prime is 204161369. The next prime is 204161411. The reversal of 204161407 is 704161402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204161407 - 2¹¹ = 204159359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204161207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102080703 + 102080704.

It is an arithmetic number, because the mean of its divisors is an integer number (102080704).

Almost surely, 2^204161407 is an apocalyptic number.

204161407 is a deficient number, since it is larger than the sum of its proper divisors (1).

204161407 is an equidigital number, since it uses as much as digits as its factorization.

204161407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 204161407 is about 14288.5061150563. The cubic root of 204161407 is about 588.8317464998.

The spelling of 204161407 in words is "two hundred four million, one hundred sixty-one thousand, four hundred seven".