204151001 has 4 divisors (see below), whose sum is σ = 204195600. Its totient is φ = 204106404.

The previous prime is 204150937. The next prime is 204151019. The reversal of 204151001 is 100151402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204151001 - 2⁶ = 204150937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204151081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14531 + ... + 24888.

It is an arithmetic number, because the mean of its divisors is an integer number (51048900).

Almost surely, 2^204151001 is an apocalyptic number.

It is an amenable number.

204151001 is a deficient number, since it is larger than the sum of its proper divisors (44599).

204151001 is an equidigital number, since it uses as much as digits as its factorization.

204151001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44598.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 204151001 is about 14288.1419715791. The cubic root of 204151001 is about 588.8217421812.

The spelling of 204151001 in words is "two hundred four million, one hundred fifty-one thousand, one".