2002256471 has 2 divisors, whose sum is σ = 2002256472. Its totient is φ = 2002256470.

The previous prime is 2002256453. The next prime is 2002256519. The reversal of 2002256471 is 1746522002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002256471 is a prime.

It is a super-3 number, since 3×2002256471³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002256401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001128235 + 1001128236.

It is an arithmetic number, because the mean of its divisors is an integer number (1001128236).

Almost surely, 2^2002256471 is an apocalyptic number.

2002256471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002256471 is an equidigital number, since it uses as much as digits as its factorization.

2002256471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2002256471 is about 44746.5805509203. The cubic root of 2002256471 is about 1260.3947010281.

Adding to 2002256471 its reverse (1746522002), we get a palindrome (3748778473).

The spelling of 2002256471 in words is "two billion, two million, two hundred fifty-six thousand, four hundred seventy-one".