2521094003 has 4 divisors (see below), whose sum is σ = 2602419648. Its totient is φ = 2439768360.

The previous prime is 2521093997. The next prime is 2521094077. The reversal of 2521094003 is 3004901252.

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

It is a cyclic number.

It is not a de Polignac number, because 2521094003 - 2²⁰ = 2520045427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521094503) 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, 40662776 + ... + 40662837.

It is an arithmetic number, because the mean of its divisors is an integer number (650604912).

Almost surely, 2^2521094003 is an apocalyptic number.

2521094003 is a deficient number, since it is larger than the sum of its proper divisors (81325645).

2521094003 is an equidigital number, since it uses as much as digits as its factorization.

2521094003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81325644.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2521094003 is about 50210.4969403809. The cubic root of 2521094003 is about 1361.0153179069.

Adding to 2521094003 its reverse (3004901252), we get a palindrome (5525995255).

The spelling of 2521094003 in words is "two billion, five hundred twenty-one million, ninety-four thousand, three".