2847152281 has 4 divisors (see below), whose sum is σ = 2851069312. Its totient is φ = 2843235252.

The previous prime is 2847152279. The next prime is 2847152303. The reversal of 2847152281 is 1822517482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2847152281 - 2¹ = 2847152279 is a prime.

It is a super-2 number, since 2×2847152281² = 16212552222407005922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2847152081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1957425 + ... + 1958878.

It is an arithmetic number, because the mean of its divisors is an integer number (712767328).

Almost surely, 2^2847152281 is an apocalyptic number.

It is an amenable number.

2847152281 is a deficient number, since it is larger than the sum of its proper divisors (3917031).

2847152281 is an equidigital number, since it uses as much as digits as its factorization.

2847152281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917030.

The product of its digits is 71680, while the sum is 40.

The square root of 2847152281 is about 53358.7132622218. The cubic root of 2847152281 is about 1417.3275599152.

The spelling of 2847152281 in words is "two billion, eight hundred forty-seven million, one hundred fifty-two thousand, two hundred eighty-one".