542750 has 32 divisors (see below), whose sum is σ = 1100736. Its totient is φ = 199200.

The previous prime is 542747. The next prime is 542761. The reversal of 542750 is 57245.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3167 + ... + 3333.

It is an arithmetic number, because the mean of its divisors is an integer number (34398).

2⁵⁴²⁷⁵⁰ is an apocalyptic number.

542750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542750 is an abundant number, since it is smaller than the sum of its proper divisors (557986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542750 is a wasteful number, since it uses less digits than its factorization.

542750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 542750 is about 736.7156846437. The cubic root of 542750 is about 81.5705287331.

Adding to 542750 its reverse (57245), we get a palindrome (599995).

The spelling of 542750 in words is "five hundred forty-two thousand, seven hundred fifty".