542429 has 4 divisors (see below), whose sum is σ = 544476. Its totient is φ = 540384.

The previous prime is 542401. The next prime is 542441. The reversal of 542429 is 924245.

542429 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 84100 + 458329 = 290^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 542429 - 2¹² = 538333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 542398 and 542407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542489) 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, 554 + ... + 1179.

It is an arithmetic number, because the mean of its divisors is an integer number (136119).

2⁵⁴²⁴²⁹ is an apocalyptic number.

It is an amenable number.

542429 is a deficient number, since it is larger than the sum of its proper divisors (2047).

542429 is a wasteful number, since it uses less digits than its factorization.

542429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its digits is 2880, while the sum is 26.

The square root of 542429 is about 736.4977936152. The cubic root of 542429 is about 81.5544444073.

The spelling of 542429 in words is "five hundred forty-two thousand, four hundred twenty-nine".