542757 has 8 divisors (see below), whose sum is σ = 727776. Its totient is φ = 359792.

The previous prime is 542747. The next prime is 542761. The reversal of 542757 is 757245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542757 - 2⁶ = 542693 is a prime.

It is a super-2 number, since 2×542757² = 589170322098, which contains 22 as substring.

542757 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283 + ... + 1079.

It is an arithmetic number, because the mean of its divisors is an integer number (90972).

2⁵⁴²⁷⁵⁷ is an apocalyptic number.

It is an amenable number.

542757 is a deficient number, since it is larger than the sum of its proper divisors (185019).

542757 is a wasteful number, since it uses less digits than its factorization.

542757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its digits is 9800, while the sum is 30.

The square root of 542757 is about 736.7204354435. The cubic root of 542757 is about 81.5708794110.

The spelling of 542757 in words is "five hundred forty-two thousand, seven hundred fifty-seven".