3251440163 has 2 divisors, whose sum is σ = 3251440164. Its totient is φ = 3251440162.

The previous prime is 3251440139. The next prime is 3251440169. The reversal of 3251440163 is 3610441523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3251440163 - 2⁶ = 3251440099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3251440169) 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 as a sum of consecutive naturals, namely, 1625720081 + 1625720082.

It is an arithmetic number, because the mean of its divisors is an integer number (1625720082).

Almost surely, 2^3251440163 is an apocalyptic number.

3251440163 is a deficient number, since it is larger than the sum of its proper divisors (1).

3251440163 is an equidigital number, since it uses as much as digits as its factorization.

3251440163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3251440163 is about 57021.4009210577. The cubic root of 3251440163 is about 1481.4667955977.

Adding to 3251440163 its reverse (3610441523), we get a palindrome (6861881686).

The spelling of 3251440163 in words is "three billion, two hundred fifty-one million, four hundred forty thousand, one hundred sixty-three".