537442 has 4 divisors (see below), whose sum is σ = 806166. Its totient is φ = 268720.

The previous prime is 537413. The next prime is 537497. The reversal of 537442 is 244735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244735 = 5 ⋅48947.

It can be written as a sum of positive squares in only one way, i.e., 488601 + 48841 = 699^2 + 221^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134359 + ... + 134362.

2⁵³⁷⁴⁴² is an apocalyptic number.

537442 is a deficient number, since it is larger than the sum of its proper divisors (268724).

537442 is a wasteful number, since it uses less digits than its factorization.

537442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268723.

The product of its digits is 3360, while the sum is 25.

The square root of 537442 is about 733.1043581919. The cubic root of 537442 is about 81.3037419599.

It can be divided in two parts, 537 and 442, that added together give a palindrome (979).

The spelling of 537442 in words is "five hundred thirty-seven thousand, four hundred forty-two".