2501072103 has 4 divisors (see below), whose sum is σ = 3334762808. Its totient is φ = 1667381400.

The previous prime is 2501072099. The next prime is 2501072111. The reversal of 2501072103 is 3012701052.

2501072103 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.

It is not a de Polignac number, because 2501072103 - 2² = 2501072099 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2501072103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501072503) 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, 416845348 + ... + 416845353.

It is an arithmetic number, because the mean of its divisors is an integer number (833690702).

Almost surely, 2^2501072103 is an apocalyptic number.

2501072103 is a deficient number, since it is larger than the sum of its proper divisors (833690705).

2501072103 is an equidigital number, since it uses as much as digits as its factorization.

2501072103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833690704.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 2501072103 is about 50010.7198808415. The cubic root of 2501072103 is about 1357.4027895890.

Adding to 2501072103 its reverse (3012701052), we get a palindrome (5513773155).

The spelling of 2501072103 in words is "two billion, five hundred one million, seventy-two thousand, one hundred three".