8252618281 has 8 divisors (see below), whose sum is σ = 8429967360. Its totient is φ = 8075342688.

The previous prime is 8252618279. The next prime is 8252618299. The reversal of 8252618281 is 1828162528.

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

It is a cyclic number.

It is not a de Polignac number, because 8252618281 - 2¹ = 8252618279 is a prime.

It is a super-2 number, since 2×8252618281² (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 (8252618681) 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, 250360 + ... + 281398.

It is an arithmetic number, because the mean of its divisors is an integer number (1053745920).

Almost surely, 2^8252618281 is an apocalyptic number.

It is an amenable number.

8252618281 is a deficient number, since it is larger than the sum of its proper divisors (177349079).

8252618281 is a wasteful number, since it uses less digits than its factorization.

8252618281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36743.

The product of its digits is 122880, while the sum is 43.

The square root of 8252618281 is about 90843.9226420788. The cubic root of 8252618281 is about 2020.8337473372.

The spelling of 8252618281 in words is "eight billion, two hundred fifty-two million, six hundred eighteen thousand, two hundred eighty-one".