542581227 has 16 divisors (see below), whose sum is σ = 806962080. Its totient is φ = 360308736.

The previous prime is 542581199. The next prime is 542581253. The reversal of 542581227 is 722185245.

It is a happy number.

542581227 is a `hidden beast` number, since 5 + 425 + 8 + 1 + 227 = 666.

It is not a de Polignac number, because 542581227 - 2¹⁵ = 542548459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542581191 and 542581200.

It is not an unprimeable number, because it can be changed into a prime (542586227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32158 + ... + 46035.

It is an arithmetic number, because the mean of its divisors is an integer number (50435130).

Almost surely, 2^542581227 is an apocalyptic number.

542581227 is a deficient number, since it is larger than the sum of its proper divisors (264380853).

542581227 is a wasteful number, since it uses less digits than its factorization.

542581227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78459 (or 78453 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 542581227 is about 23293.3730275373. The cubic root of 542581227 is about 815.6207282641.

The spelling of 542581227 in words is "five hundred forty-two million, five hundred eighty-one thousand, two hundred twenty-seven".