5191065825 has 24 divisors (see below), whose sum is σ = 9362796576. Its totient is φ = 2516880000.

The previous prime is 5191065811. The next prime is 5191065833. The reversal of 5191065825 is 5285601915.

It is a happy number.

It is not a de Polignac number, because 5191065825 - 2¹³ = 5191057633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3145276 + ... + 3146925.

It is an arithmetic number, because the mean of its divisors is an integer number (390116524).

Almost surely, 2^5191065825 is an apocalyptic number.

5191065825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5191065825 is a deficient number, since it is larger than the sum of its proper divisors (4171730751).

5191065825 is a wasteful number, since it uses less digits than its factorization.

5191065825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292225 (or 6292220 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 42.

The square root of 5191065825 is about 72049.0515204746. The cubic root of 5191065825 is about 1731.4854455251.

The spelling of 5191065825 in words is "five billion, one hundred ninety-one million, sixty-five thousand, eight hundred twenty-five".