542452 has 6 divisors (see below), whose sum is σ = 949298. Its totient is φ = 271224.

The previous prime is 542447. The next prime is 542461. The reversal of 542452 is 254245.

It can be written as a sum of positive squares in only one way, i.e., 527076 + 15376 = 726^2 + 124^2 .

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, 67803 + ... + 67810.

2⁵⁴²⁴⁵² is an apocalyptic number.

It is an amenable number.

542452 is a deficient number, since it is larger than the sum of its proper divisors (406846).

542452 is a wasteful number, since it uses less digits than its factorization.

542452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135617 (or 135615 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 542452 is about 736.5134078888. The cubic root of 542452 is about 81.5555970778. Note that the first 4 decimals are identical.

Adding to 542452 its reverse (254245), we get a palindrome (796697).

It can be divided in two parts, 5424 and 52, that added together give a square (5476 = 74²).

The spelling of 542452 in words is "five hundred forty-two thousand, four hundred fifty-two".