2503103453 has 4 divisors (see below), whose sum is σ = 2634845760. Its totient is φ = 2371361148.

The previous prime is 2503103437. The next prime is 2503103467. The reversal of 2503103453 is 3543013052.

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 2503103453 - 2⁴ = 2503103437 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 (2503103413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65871125 + ... + 65871162.

It is an arithmetic number, because the mean of its divisors is an integer number (658711440).

Almost surely, 2^2503103453 is an apocalyptic number.

It is an amenable number.

2503103453 is a deficient number, since it is larger than the sum of its proper divisors (131742307).

2503103453 is a wasteful number, since it uses less digits than its factorization.

2503103453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131742306.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2503103453 is about 50031.0249045530. The cubic root of 2503103453 is about 1357.7701805689.

The spelling of 2503103453 in words is "two billion, five hundred three million, one hundred three thousand, four hundred fifty-three".