2503013 has 8 divisors (see below), whose sum is σ = 2615160. Its totient is φ = 2393280.

The previous prime is 2503001. The next prime is 2503027. The reversal of 2503013 is 3103052.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 2502724 = 17^2 + 1582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2503013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (326895).

2^2503013 is an apocalyptic number.

It is an amenable number.

2503013 is a deficient number, since it is larger than the sum of its proper divisors (112147).

2503013 is a wasteful number, since it uses less digits than its factorization.

2503013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 2503013 is about 1582.0913374392. The cubic root of 2503013 is about 135.7753825423.

Adding to 2503013 its reverse (3103052), we get a palindrome (5606065).

The spelling of 2503013 in words is "two million, five hundred three thousand, thirteen".