5438125825 has 12 divisors (see below), whose sum is σ = 7356301488. Its totient is φ = 3955000400.

The previous prime is 5438125787. The next prime is 5438125829. The reversal of 5438125825 is 5285218345.

It is a de Polignac number, because none of the positive numbers 2^k-5438125825 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5438125829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9887227 + ... + 9887776.

It is an arithmetic number, because the mean of its divisors is an integer number (613025124).

Almost surely, 2^5438125825 is an apocalyptic number.

5438125825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5438125825 is a deficient number, since it is larger than the sum of its proper divisors (1918175663).

5438125825 is a wasteful number, since it uses less digits than its factorization.

5438125825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19775024 (or 19775019 counting only the distinct ones).

The product of its digits is 384000, while the sum is 43.

The square root of 5438125825 is about 73743.6493875913. The cubic root of 5438125825 is about 1758.5298743840.

The spelling of 5438125825 in words is "five billion, four hundred thirty-eight million, one hundred twenty-five thousand, eight hundred twenty-five".