2002002251 has 2 divisors, whose sum is σ = 2002002252. Its totient is φ = 2002002250.

The previous prime is 2002002199. The next prime is 2002002257. The reversal of 2002002251 is 1522002002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002002251 is a prime.

It is a super-3 number, since 3×2002002251³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2002002257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001001125 + 1001001126.

It is an arithmetic number, because the mean of its divisors is an integer number (1001001126).

Almost surely, 2^2002002251 is an apocalyptic number.

2002002251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002002251 is an equidigital number, since it uses as much as digits as its factorization.

2002002251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2002002251 is about 44743.7397967582. The cubic root of 2002002251 is about 1260.3413560300.

Adding to 2002002251 its reverse (1522002002), we get a palindrome (3524004253).

The spelling of 2002002251 in words is "two billion, two million, two thousand, two hundred fifty-one".