542687627 has 2 divisors, whose sum is σ = 542687628. Its totient is φ = 542687626.

The previous prime is 542687611. The next prime is 542687641. The reversal of 542687627 is 726786245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542687627 - 2⁴ = 542687611 is a prime.

It is a super-2 number, since 2×542687627² = 589019720997782258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (542687647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271343813 + 271343814.

It is an arithmetic number, because the mean of its divisors is an integer number (271343814).

Almost surely, 2^542687627 is an apocalyptic number.

542687627 is a deficient number, since it is larger than the sum of its proper divisors (1).

542687627 is an equidigital number, since it uses as much as digits as its factorization.

542687627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 47.

The square root of 542687627 is about 23295.6568269710. The cubic root of 542687627 is about 815.6740390982.

The spelling of 542687627 in words is "five hundred forty-two million, six hundred eighty-seven thousand, six hundred twenty-seven".