2125557404 has 18 divisors (see below), whose sum is σ = 3731593320. Its totient is φ = 1059398592.

The previous prime is 2125557367. The next prime is 2125557419. The reversal of 2125557404 is 4047555212.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 451937 + ... + 456615.

It is an arithmetic number, because the mean of its divisors is an integer number (207310740).

Almost surely, 2^2125557404 is an apocalyptic number.

It is an amenable number.

2125557404 is a deficient number, since it is larger than the sum of its proper divisors (1606035916).

2125557404 is an equidigital number, since it uses as much as digits as its factorization.

2125557404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357 (or 5018 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 35.

The square root of 2125557404 is about 46103.7677852906. The cubic root of 2125557404 is about 1285.7531966895.

The spelling of 2125557404 in words is "two billion, one hundred twenty-five million, five hundred fifty-seven thousand, four hundred four".