5250090681 has 16 divisors (see below), whose sum is σ = 8484995520. Its totient is φ = 3181872960.

The previous prime is 5250090673. The next prime is 5250090689. The reversal of 5250090681 is 1860900525.

It is a happy number.

5250090681 is a `hidden beast` number, since 5 + 2 + 500 + 90 + 68 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (5250090673) and next prime (5250090689).

It is not a de Polignac number, because 5250090681 - 2³ = 5250090673 is a prime.

It is a super-2 number, since 2×5250090681² = 55126904317446087522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5250090689) 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 15 ways as a sum of consecutive naturals, for example, 8838240 + ... + 8838833.

It is an arithmetic number, because the mean of its divisors is an integer number (530312220).

Almost surely, 2^5250090681 is an apocalyptic number.

It is an amenable number.

5250090681 is a deficient number, since it is larger than the sum of its proper divisors (3234904839).

5250090681 is a wasteful number, since it uses less digits than its factorization.

5250090681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17677093 (or 17677087 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 5250090681 is about 72457.5094865950. The cubic root of 5250090681 is about 1738.0233290387.

The spelling of 5250090681 in words is "five billion, two hundred fifty million, ninety thousand, six hundred eighty-one".