542235 has 16 divisors (see below), whose sum is σ = 891936. Its totient is φ = 281088.

The previous prime is 542219. The next prime is 542237. The reversal of 542235 is 532245.

542235 = 87² + 88² + ... + 131².

It is not a de Polignac number, because 542235 - 2⁴ = 542219 is a prime.

It is a d-powerful number, because it can be written as 5 + 4³ + 2¹³ + 2¹⁹ + 3⁸ + 5⁵ .

It is not an unprimeable number, because it can be changed into a prime (542237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (55746).

2⁵⁴²²³⁵ is an apocalyptic number.

542235 is a deficient number, since it is larger than the sum of its proper divisors (349701).

542235 is a wasteful number, since it uses less digits than its factorization.

542235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022.

The product of its digits is 1200, while the sum is 21.

The square root of 542235 is about 736.3660774370. The cubic root of 542235 is about 81.5447205855.

It can be divided in two parts, 542 and 235, that added together give a palindrome (777).

The spelling of 542235 in words is "five hundred forty-two thousand, two hundred thirty-five".