5250161787 has 16 divisors (see below), whose sum is σ = 7666471680. Its totient is φ = 3176106912.

The previous prime is 5250161773. The next prime is 5250161789. The reversal of 5250161787 is 7871610525.

5250161787 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5250161787 - 2⁴ = 5250161771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5250161789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1138543 + ... + 1143144.

It is an arithmetic number, because the mean of its divisors is an integer number (479154480).

Almost surely, 2^5250161787 is an apocalyptic number.

5250161787 is a deficient number, since it is larger than the sum of its proper divisors (2416309893).

5250161787 is a wasteful number, since it uses less digits than its factorization.

5250161787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281762.

The product of its (nonzero) digits is 117600, while the sum is 42.

The square root of 5250161787 is about 72458.0001587126. Note that the first 3 decimals coincide. The cubic root of 5250161787 is about 1738.0311754637.

The spelling of 5250161787 in words is "five billion, two hundred fifty million, one hundred sixty-one thousand, seven hundred eighty-seven".