2500103 has 4 divisors (see below), whose sum is σ = 2506920. Its totient is φ = 2493288.

The previous prime is 2500097. The next prime is 2500109. The reversal of 2500103 is 3010052.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2500097) and next prime (2500109).

It is a cyclic number.

It is not a de Polignac number, because 2500103 - 2⁴ = 2500087 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 (2500109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2825 + ... + 3602.

It is an arithmetic number, because the mean of its divisors is an integer number (626730).

2^2500103 is an apocalyptic number.

2500103 is a deficient number, since it is larger than the sum of its proper divisors (6817).

2500103 is an equidigital number, since it uses as much as digits as its factorization.

2500103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 2500103 is about 1581.1714012086. The cubic root of 2500103 is about 135.7227447042.

Adding to 2500103 its reverse (3010052), we get a palindrome (5510155).

The spelling of 2500103 in words is "two million, five hundred thousand, one hundred three".