204252859 has 2 divisors, whose sum is σ = 204252860. Its totient is φ = 204252858.

The previous prime is 204252823. The next prime is 204252883. The reversal of 204252859 is 958252402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204252859 - 2¹⁹ = 203728571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204252809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102126429 + 102126430.

It is an arithmetic number, because the mean of its divisors is an integer number (102126430).

Almost surely, 2^204252859 is an apocalyptic number.

204252859 is a deficient number, since it is larger than the sum of its proper divisors (1).

204252859 is an equidigital number, since it uses as much as digits as its factorization.

204252859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 204252859 is about 14291.7059513551. The cubic root of 204252859 is about 588.9196537479.

The spelling of 204252859 in words is "two hundred four million, two hundred fifty-two thousand, eight hundred fifty-nine".