252071 has 4 divisors (see below), whose sum is σ = 255192. Its totient is φ = 248952.

The previous prime is 252037. The next prime is 252079. The reversal of 252071 is 170252.

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-252071 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 (252079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (63798).

2²⁵²⁰⁷¹ is an apocalyptic number.

252071 is a deficient number, since it is larger than the sum of its proper divisors (3121).

252071 is an equidigital number, since it uses as much as digits as its factorization.

252071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 252071 is about 502.0667286328. The cubic root of 252071 is about 63.1695274504.

The spelling of 252071 in words is "two hundred fifty-two thousand, seventy-one".