5451281571 has 4 divisors (see below), whose sum is σ = 7268375432. Its totient is φ = 3634187712.

The previous prime is 5451281533. The next prime is 5451281581. The reversal of 5451281571 is 1751821545.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5451281571 - 2¹⁰ = 5451280547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5451281581) 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, 908546926 + ... + 908546931.

It is an arithmetic number, because the mean of its divisors is an integer number (1817093858).

Almost surely, 2^5451281571 is an apocalyptic number.

5451281571 is a deficient number, since it is larger than the sum of its proper divisors (1817093861).

5451281571 is a wasteful number, since it uses less digits than its factorization.

5451281571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817093860.

The product of its digits is 56000, while the sum is 39.

The square root of 5451281571 is about 73832.7946850178. The cubic root of 5451281571 is about 1759.9467927915.

The spelling of 5451281571 in words is "five billion, four hundred fifty-one million, two hundred eighty-one thousand, five hundred seventy-one".