2521112403 has 8 divisors (see below), whose sum is σ = 3439657408. Its totient is φ = 1641654504.

The previous prime is 2521112389. The next prime is 2521112411. The reversal of 2521112403 is 3042111252.

2521112403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2521112403 - 2⁴ = 2521112387 is a prime.

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 2521112403.

It is not an unprimeable number, because it can be changed into a prime (2521112443) 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, 9771625 + ... + 9771882.

It is an arithmetic number, because the mean of its divisors is an integer number (429957176).

Almost surely, 2^2521112403 is an apocalyptic number.

2521112403 is a deficient number, since it is larger than the sum of its proper divisors (918545005).

2521112403 is a wasteful number, since it uses less digits than its factorization.

2521112403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19543553.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2521112403 is about 50210.6801686653. The cubic root of 2521112403 is about 1361.0186289855.

Adding to 2521112403 its reverse (3042111252), we get a palindrome (5563223655).

The spelling of 2521112403 in words is "two billion, five hundred twenty-one million, one hundred twelve thousand, four hundred three".