2500117 has 2 divisors, whose sum is σ = 2500118. Its totient is φ = 2500116.

The previous prime is 2500109. The next prime is 2500151. The reversal of 2500117 is 7110052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1920996 + 579121 = 1386^2 + 761^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500117 - 2³ = 2500109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2500117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2500187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250058 + 1250059.

It is an arithmetic number, because the mean of its divisors is an integer number (1250059).

2^2500117 is an apocalyptic number.

It is an amenable number.

2500117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500117 is an equidigital number, since it uses as much as digits as its factorization.

2500117 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2500117 is about 1581.1758282999. The cubic root of 2500117 is about 135.7229980425.

Adding to 2500117 its reverse (7110052), we get a palindrome (9610169).

The spelling of 2500117 in words is "two million, five hundred thousand, one hundred seventeen".