2500613 has 4 divisors (see below), whose sum is σ = 2503788. Its totient is φ = 2497440.

The previous prime is 2500601. The next prime is 2500621. The reversal of 2500613 is 3160052.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2211169 + 289444 = 1487^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500613 - 2⁸ = 2500357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2500591 and 2500600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (625947).

2^2500613 is an apocalyptic number.

It is an amenable number.

2500613 is a deficient number, since it is larger than the sum of its proper divisors (3175).

2500613 is a wasteful number, since it uses less digits than its factorization.

2500613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2500613 is about 1581.3326658234. The cubic root of 2500613 is about 135.7319728432.

Adding to 2500613 its reverse (3160052), we get a palindrome (5660665).

It can be divided in two parts, 2500 and 613, that added together give a palindrome (3113).

The spelling of 2500613 in words is "two million, five hundred thousand, six hundred thirteen".