2013888425 has 12 divisors (see below), whose sum is σ = 2644117596. Its totient is φ = 1516339200.

The previous prime is 2013888421. The next prime is 2013888427. The reversal of 2013888425 is 5248883102.

It can be written as a sum of positive squares in 6 ways, for example, as 105247081 + 1908641344 = 10259^2 + 43688^2 .

It is not a de Polignac number, because 2013888425 - 2² = 2013888421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013888421) 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 11 ways as a sum of consecutive naturals, for example, 2368856 + ... + 2369705.

It is an arithmetic number, because the mean of its divisors is an integer number (220343133).

Almost surely, 2^2013888425 is an apocalyptic number.

2013888425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2013888425 is a deficient number, since it is larger than the sum of its proper divisors (630229171).

2013888425 is a wasteful number, since it uses less digits than its factorization.

2013888425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738588 (or 4738583 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 2013888425 is about 44876.3682242670. The cubic root of 2013888425 is about 1262.8307116503.

The spelling of 2013888425 in words is "two billion, thirteen million, eight hundred eighty-eight thousand, four hundred twenty-five".