542677 has 4 divisors (see below), whose sum is σ = 561420. Its totient is φ = 523936.

The previous prime is 542603. The next prime is 542683. The reversal of 542677 is 776245.

542677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 361201 + 181476 = 601^2 + 426^2 .

It is a cyclic number.

It is not a de Polignac number, because 542677 - 2¹¹ = 540629 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542687) 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, 9328 + ... + 9385.

It is an arithmetic number, because the mean of its divisors is an integer number (140355).

2⁵⁴²⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

542677 is a deficient number, since it is larger than the sum of its proper divisors (18743).

542677 is a wasteful number, since it uses less digits than its factorization.

542677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18742.

The product of its digits is 11760, while the sum is 31.

The square root of 542677 is about 736.6661387630. Note that the first 3 decimals coincide. The cubic root of 542677 is about 81.5668714842.

The spelling of 542677 in words is "five hundred forty-two thousand, six hundred seventy-seven".