542628775 has 12 divisors (see below), whose sum is σ = 724618552. Its totient is φ = 400710240.

The previous prime is 542628721. The next prime is 542628829. The reversal of 542628775 is 577826245.

It is an interprime number because it is at equal distance from previous prime (542628721) and next prime (542628829).

It is not a de Polignac number, because 542628775 - 2⁹ = 542628263 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 834489 + ... + 835138.

Almost surely, 2^542628775 is an apocalyptic number.

542628775 is a deficient number, since it is larger than the sum of its proper divisors (181989777).

542628775 is a wasteful number, since it uses less digits than its factorization.

542628775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669650 (or 1669645 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The square root of 542628775 is about 23294.3936388136. The cubic root of 542628775 is about 815.6445526549.

It can be divided in two parts, 542628 and 775, that added together give a triangular number (543403 = T₁₀₄₂).

The spelling of 542628775 in words is "five hundred forty-two million, six hundred twenty-eight thousand, seven hundred seventy-five".