2003402117 has 2 divisors, whose sum is σ = 2003402118. Its totient is φ = 2003402116.

The previous prime is 2003402087. The next prime is 2003402129. The reversal of 2003402117 is 7112043002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1485794116 + 517608001 = 38546^2 + 22751^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003402117 - 2⁸ = 2003401861 is a prime.

It is a super-3 number, since 3×2003402117³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003402197) 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, 1001701058 + 1001701059.

It is an arithmetic number, because the mean of its divisors is an integer number (1001701059).

Almost surely, 2^2003402117 is an apocalyptic number.

It is an amenable number.

2003402117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003402117 is an equidigital number, since it uses as much as digits as its factorization.

2003402117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2003402117 is about 44759.3802124203. The cubic root of 2003402117 is about 1260.6350450024.

Adding to 2003402117 its reverse (7112043002), we get a palindrome (9115445119).

The spelling of 2003402117 in words is "two billion, three million, four hundred two thousand, one hundred seventeen".