545624227 has 2 divisors, whose sum is σ = 545624228. Its totient is φ = 545624226.

The previous prime is 545624221. The next prime is 545624251. The reversal of 545624227 is 722426545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545624227 - 2¹¹ = 545622179 is a prime.

It is not a weakly prime, because it can be changed into another prime (545624221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272812113 + 272812114.

It is an arithmetic number, because the mean of its divisors is an integer number (272812114).

Almost surely, 2^545624227 is an apocalyptic number.

545624227 is a deficient number, since it is larger than the sum of its proper divisors (1).

545624227 is an equidigital number, since it uses as much as digits as its factorization.

545624227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 37.

The square root of 545624227 is about 23358.6007072342. The cubic root of 545624227 is about 817.1426560924.

The spelling of 545624227 in words is "five hundred forty-five million, six hundred twenty-four thousand, two hundred twenty-seven".