2125604003 has 4 divisors (see below), whose sum is σ = 2139143040. Its totient is φ = 2112064968.

The previous prime is 2125603957. The next prime is 2125604017. The reversal of 2125604003 is 3004065212.

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 2125604003 - 2⁸ = 2125603747 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 2125604003.

It is not an unprimeable number, because it can be changed into a prime (2125604203) 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, 6769283 + ... + 6769596.

It is an arithmetic number, because the mean of its divisors is an integer number (534785760).

Almost surely, 2^2125604003 is an apocalyptic number.

2125604003 is a deficient number, since it is larger than the sum of its proper divisors (13539037).

2125604003 is a wasteful number, since it uses less digits than its factorization.

2125604003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13539036.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2125604003 is about 46104.2731533640. The cubic root of 2125604003 is about 1285.7625925583.

Adding to 2125604003 its reverse (3004065212), we get a palindrome (5129669215).

The spelling of 2125604003 in words is "two billion, one hundred twenty-five million, six hundred four thousand, three".