612271 has 4 divisors (see below), whose sum is σ = 667944. Its totient is φ = 556600.

The previous prime is 612263. The next prime is 612301. The reversal of 612271 is 172216.

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

It is not a de Polignac number, because 612271 - 2³ = 612263 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 (612071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27820 + ... + 27841.

It is an arithmetic number, because the mean of its divisors is an integer number (166986).

2⁶¹²²⁷¹ is an apocalyptic number.

612271 is a deficient number, since it is larger than the sum of its proper divisors (55673).

612271 is a wasteful number, since it uses less digits than its factorization.

612271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55672.

The product of its digits is 168, while the sum is 19.

The square root of 612271 is about 782.4774757142. The cubic root of 612271 is about 84.9143774471.

Adding to 612271 its reverse (172216), we get a palindrome (784487).

It can be divided in two parts, 61 and 2271, that added together give a palindrome (2332).

The spelling of 612271 in words is "six hundred twelve thousand, two hundred seventy-one".