2004206251 has 2 divisors, whose sum is σ = 2004206252. Its totient is φ = 2004206250.

The previous prime is 2004206249. The next prime is 2004206287. The reversal of 2004206251 is 1526024002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2004206251 - 2¹ = 2004206249 is a prime.

Together with 2004206249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2004206201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002103125 + 1002103126.

It is an arithmetic number, because the mean of its divisors is an integer number (1002103126).

Almost surely, 2^2004206251 is an apocalyptic number.

2004206251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004206251 is an equidigital number, since it uses as much as digits as its factorization.

2004206251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2004206251 is about 44768.3621657081. The cubic root of 2004206251 is about 1260.8036887796.

The spelling of 2004206251 in words is "two billion, four million, two hundred six thousand, two hundred fifty-one".