537601 has 4 divisors (see below), whose sum is σ = 539092. Its totient is φ = 536112.

The previous prime is 537599. The next prime is 537611. The reversal of 537601 is 106735.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 106735 = 5 ⋅21347.

It can be written as a sum of positive squares in 2 ways, for example, as 176400 + 361201 = 420^2 + 601^2 .

It is a cyclic number.

It is not a de Polignac number, because 537601 - 2¹ = 537599 is a prime.

It is a Duffinian number.

537601 is a lucky number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (537611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (134773).

It is a Proth number, since it is equal to 525 ⋅ 2¹⁰ + 1 and 525 < 2¹⁰.

2⁵³⁷⁶⁰¹ is an apocalyptic number.

It is an amenable number.

537601 is a deficient number, since it is larger than the sum of its proper divisors (1491).

537601 is an equidigital number, since it uses as much as digits as its factorization.

537601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 537601 is about 733.2127931235. The cubic root of 537601 is about 81.3117589616.

The spelling of 537601 in words is "five hundred thirty-seven thousand, six hundred one".