2500100017 has 2 divisors, whose sum is σ = 2500100018. Its totient is φ = 2500100016.

The previous prime is 2500100003. The next prime is 2500100051. The reversal of 2500100017 is 7100010052.

2500100017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2500100001 + 16 = 50001^2 + 4^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500100017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500100417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250050008 + 1250050009.

It is an arithmetic number, because the mean of its divisors is an integer number (1250050009).

Almost surely, 2^2500100017 is an apocalyptic number.

It is an amenable number.

2500100017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500100017 is an equidigital number, since it uses as much as digits as its factorization.

2500100017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 2500100017 is about 50001.0001599968. Note that the first 3 decimals coincide. The cubic root of 2500100017 is about 1357.2269072499.

Subtracting from 2500100017 its sum of digits (16), we obtain a square (2500100001 = 50001²).

Adding to 2500100017 its reverse (7100010052), we get a palindrome (9600110069).

The spelling of 2500100017 in words is "two billion, five hundred million, one hundred thousand, seventeen".