270542 has 4 divisors (see below), whose sum is σ = 405816. Its totient is φ = 135270.

The previous prime is 270539. The next prime is 270547. The reversal of 270542 is 245072.

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

It is a d-powerful number, because it can be written as 2⁵ + 7² + 5³ + 0 + 4⁹ + 2¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67634 + ... + 67637.

It is an arithmetic number, because the mean of its divisors is an integer number (101454).

2²⁷⁰⁵⁴² is an apocalyptic number.

270542 is a deficient number, since it is larger than the sum of its proper divisors (135274).

270542 is a wasteful number, since it uses less digits than its factorization.

270542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135273.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 270542 is about 520.1365205405. The cubic root of 270542 is about 64.6762600758.

The spelling of 270542 in words is "two hundred seventy thousand, five hundred forty-two".