5125397844 has 36 divisors (see below), whose sum is σ = 13911795744. Its totient is φ = 1464399216.

The previous prime is 5125397843. The next prime is 5125397861. The reversal of 5125397844 is 4487935215.

It is a junction number, because it is equal to n+sod(n) for n = 5125397793 and 5125397802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125397843) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4357744 + ... + 4358919.

Almost surely, 2^5125397844 is an apocalyptic number.

It is an amenable number.

5125397844 is an abundant number, since it is smaller than the sum of its proper divisors (8786397900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5125397844 is a wasteful number, since it uses less digits than its factorization.

5125397844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716684 (or 8716675 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 5125397844 is about 71591.8839254842. The cubic root of 5125397844 is about 1724.1532321277.

The spelling of 5125397844 in words is "five billion, one hundred twenty-five million, three hundred ninety-seven thousand, eight hundred forty-four".