2172565103 has 2 divisors, whose sum is σ = 2172565104. Its totient is φ = 2172565102.

The previous prime is 2172565097. The next prime is 2172565121. The reversal of 2172565103 is 3015652712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2172565103 - 2⁶ = 2172565039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2172565103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2172565123) 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, 1086282551 + 1086282552.

It is an arithmetic number, because the mean of its divisors is an integer number (1086282552).

Almost surely, 2^2172565103 is an apocalyptic number.

2172565103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172565103 is an equidigital number, since it uses as much as digits as its factorization.

2172565103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2172565103 is about 46610.7831193598. The cubic root of 2172565103 is about 1295.1625150467.

The spelling of 2172565103 in words is "two billion, one hundred seventy-two million, five hundred sixty-five thousand, one hundred three".