61271 has 4 divisors (see below), whose sum is σ = 70032. Its totient is φ = 52512.

The previous prime is 61261. The next prime is 61283. The reversal of 61271 is 17216.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61271 - 2¹⁴ = 44887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61211) 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, 4370 + ... + 4383.

It is an arithmetic number, because the mean of its divisors is an integer number (17508).

2⁶¹²⁷¹ is an apocalyptic number.

61271 is a deficient number, since it is larger than the sum of its proper divisors (8761).

61271 is an equidigital number, since it uses as much as digits as its factorization.

61271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8760.

The product of its digits is 84, while the sum is 17.

The square root of 61271 is about 247.5297961862. The cubic root of 61271 is about 39.4231802923.

Adding to 61271 its reverse (17216), we get a palindrome (78487).

It can be divided in two parts, 6 and 1271, that multiplied together give a triangular number (7626 = T₁₂₃).

The spelling of 61271 in words is "sixty-one thousand, two hundred seventy-one".