542548 has 6 divisors (see below), whose sum is σ = 949466. Its totient is φ = 271272.

The previous prime is 542539. The next prime is 542551. The reversal of 542548 is 845245.

It can be written as a sum of positive squares in only one way, i.e., 535824 + 6724 = 732^2 + 82^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67815 + ... + 67822.

2⁵⁴²⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

542548 is a deficient number, since it is larger than the sum of its proper divisors (406918).

542548 is a wasteful number, since it uses less digits than its factorization.

542548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135641 (or 135639 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 542548 is about 736.5785769353. The cubic root of 542548 is about 81.5604078724.

The spelling of 542548 in words is "five hundred forty-two thousand, five hundred forty-eight".