5671561227 has 4 divisors (see below), whose sum is σ = 7562081640. Its totient is φ = 3781040816.

The previous prime is 5671561213. The next prime is 5671561249. The reversal of 5671561227 is 7221651765.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5671561227 - 2⁴ = 5671561211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5671561627) 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, 945260202 + ... + 945260207.

It is an arithmetic number, because the mean of its divisors is an integer number (1890520410).

Almost surely, 2^5671561227 is an apocalyptic number.

5671561227 is a deficient number, since it is larger than the sum of its proper divisors (1890520413).

5671561227 is a wasteful number, since it uses less digits than its factorization.

5671561227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890520412.

The product of its digits is 176400, while the sum is 42.

The square root of 5671561227 is about 75309.7684699668. The cubic root of 5671561227 is about 1783.3402359143.

The spelling of 5671561227 in words is "five billion, six hundred seventy-one million, five hundred sixty-one thousand, two hundred twenty-seven".