2500517 has 4 divisors (see below), whose sum is σ = 2510016. Its totient is φ = 2491020.

The previous prime is 2500441. The next prime is 2500523. The reversal of 2500517 is 7150052.

2500517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2500517 - 2¹² = 2496421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4343 + ... + 4884.

It is an arithmetic number, because the mean of its divisors is an integer number (627504).

2^2500517 is an apocalyptic number.

It is an amenable number.

2500517 is a deficient number, since it is larger than the sum of its proper divisors (9499).

2500517 is an equidigital number, since it uses as much as digits as its factorization.

2500517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 2500517 is about 1581.3023113877. The cubic root of 2500517 is about 135.7302358776.

Adding to 2500517 its reverse (7150052), we get a palindrome (9650569).

The spelling of 2500517 in words is "two million, five hundred thousand, five hundred seventeen".