537542 has 4 divisors (see below), whose sum is σ = 806316. Its totient is φ = 268770.

The previous prime is 537527. The next prime is 537547. The reversal of 537542 is 245735.

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 (537547) by changing a digit.

537542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134384 + ... + 134387.

It is an arithmetic number, because the mean of its divisors is an integer number (201579).

2⁵³⁷⁵⁴² is an apocalyptic number.

537542 is a deficient number, since it is larger than the sum of its proper divisors (268774).

537542 is a wasteful number, since it uses less digits than its factorization.

537542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268773.

The product of its digits is 4200, while the sum is 26.

The square root of 537542 is about 733.1725581335. The cubic root of 537542 is about 81.3087842838.

The spelling of 537542 in words is "five hundred thirty-seven thousand, five hundred forty-two".