542462 has 4 divisors (see below), whose sum is σ = 813696. Its totient is φ = 271230.

The previous prime is 542461. The next prime is 542467. The reversal of 542462 is 264245.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135614 + ... + 135617.

It is an arithmetic number, because the mean of its divisors is an integer number (203424).

2⁵⁴²⁴⁶² is an apocalyptic number.

542462 is a deficient number, since it is larger than the sum of its proper divisors (271234).

542462 is a wasteful number, since it uses less digits than its factorization.

542462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271233.

The product of its digits is 1920, while the sum is 23.

The square root of 542462 is about 736.5201966002. The cubic root of 542462 is about 81.5560982287.

The spelling of 542462 in words is "five hundred forty-two thousand, four hundred sixty-two".