2538009403 has 4 divisors (see below), whose sum is σ = 2538110608. Its totient is φ = 2537908200.

The previous prime is 2538009391. The next prime is 2538009433. The reversal of 2538009403 is 3049008352.

It is a happy number.

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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2538009403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2538009433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18178 + ... + 73528.

It is an arithmetic number, because the mean of its divisors is an integer number (634527652).

Almost surely, 2^2538009403 is an apocalyptic number.

2538009403 is a deficient number, since it is larger than the sum of its proper divisors (101205).

2538009403 is an equidigital number, since it uses as much as digits as its factorization.

2538009403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101204.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2538009403 is about 50378.6601945705. The cubic root of 2538009403 is about 1364.0524676816.

The spelling of 2538009403 in words is "two billion, five hundred thirty-eight million, nine thousand, four hundred three".