537131 has 4 divisors (see below), whose sum is σ = 613872. Its totient is φ = 460392.

The previous prime is 537127. The next prime is 537133. The reversal of 537131 is 131735.

537131 = 274² + 275² + ... + 280².

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131735 = 5 ⋅26347.

It is a cyclic number.

It is not a de Polignac number, because 537131 - 2² = 537127 is a prime.

It is a super-2 number, since 2×537131² = 577019422322, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (537133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38360 + ... + 38373.

It is an arithmetic number, because the mean of its divisors is an integer number (153468).

2⁵³⁷¹³¹ is an apocalyptic number.

537131 is a deficient number, since it is larger than the sum of its proper divisors (76741).

537131 is an equidigital number, since it uses as much as digits as its factorization.

537131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76740.

The product of its digits is 315, while the sum is 20.

The square root of 537131 is about 732.8922158135. The cubic root of 537131 is about 81.2880563339.

Adding to 537131 its reverse (131735), we get a palindrome (668866).

The spelling of 537131 in words is "five hundred thirty-seven thousand, one hundred thirty-one".