8254751081 has 8 divisors (see below), whose sum is σ = 9041715720. Its totient is φ = 7501274368.

The previous prime is 8254751059. The next prime is 8254751093. The reversal of 8254751081 is 1801574528.

It can be written as a sum of positive squares in 4 ways, for example, as 280261081 + 7974490000 = 16741^2 + 89300^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8254751081 is a prime.

It is a super-2 number, since 2×8254751081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8254751051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8371466 + ... + 8372451.

It is an arithmetic number, because the mean of its divisors is an integer number (1130214465).

Almost surely, 2^8254751081 is an apocalyptic number.

It is an amenable number.

8254751081 is a deficient number, since it is larger than the sum of its proper divisors (786964639).

8254751081 is a wasteful number, since it uses less digits than its factorization.

8254751081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16743963.

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 8254751081 is about 90855.6606987149. The cubic root of 8254751081 is about 2021.0078198893.

The spelling of 8254751081 in words is "eight billion, two hundred fifty-four million, seven hundred fifty-one thousand, eighty-one".