542741 has 4 divisors (see below), whose sum is σ = 552000. Its totient is φ = 533484.

The previous prime is 542723. The next prime is 542747. The reversal of 542741 is 147245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542741 - 2¹⁸ = 280597 is a prime.

It is an Ulam 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 (542747) 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, 4541 + ... + 4658.

It is an arithmetic number, because the mean of its divisors is an integer number (138000).

2⁵⁴²⁷⁴¹ is an apocalyptic number.

It is an amenable number.

542741 is a deficient number, since it is larger than the sum of its proper divisors (9259).

542741 is an equidigital number, since it uses as much as digits as its factorization.

542741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9258.

The product of its digits is 1120, while the sum is 23.

The square root of 542741 is about 736.7095764275. The cubic root of 542741 is about 81.5700778571.

Adding to 542741 its reverse (147245), we get a palindrome (689986).

The spelling of 542741 in words is "five hundred forty-two thousand, seven hundred forty-one".