537161 has 4 divisors (see below), whose sum is σ = 538752. Its totient is φ = 535572.

The previous prime is 537157. The next prime is 537169. The reversal of 537161 is 161735.

Added to its reverse (161735) it gives a square (698896 = 836²).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 537161 - 2² = 537157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65 + ... + 1038.

It is an arithmetic number, because the mean of its divisors is an integer number (134688).

2⁵³⁷¹⁶¹ is an apocalyptic number.

It is an amenable number.

537161 is a deficient number, since it is larger than the sum of its proper divisors (1591).

537161 is a wasteful number, since it uses less digits than its factorization.

537161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590.

The product of its digits is 630, while the sum is 23.

The square root of 537161 is about 732.9126823845. The cubic root of 537161 is about 81.2895696806.

Adding to 537161 its reverse (161735), we get a palindrome (698896).

The spelling of 537161 in words is "five hundred thirty-seven thousand, one hundred sixty-one".