253271 has 4 divisors (see below), whose sum is σ = 254592. Its totient is φ = 251952.

The previous prime is 253247. The next prime is 253273. The reversal of 253271 is 172352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253271 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 (253273) 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, 311 + ... + 776.

It is an arithmetic number, because the mean of its divisors is an integer number (63648).

2²⁵³²⁷¹ is an apocalyptic number.

253271 is a deficient number, since it is larger than the sum of its proper divisors (1321).

253271 is a wasteful number, since it uses less digits than its factorization.

253271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its digits is 420, while the sum is 20.

The square root of 253271 is about 503.2603699875. The cubic root of 253271 is about 63.2696096508.

The spelling of 253271 in words is "two hundred fifty-three thousand, two hundred seventy-one".