252447 has 8 divisors (see below), whose sum is σ = 362544. Its totient is φ = 155328.

The previous prime is 252443. The next prime is 252449. The reversal of 252447 is 744252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252447 - 2² = 252443 is a prime.

252447 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198 + ... + 3275.

It is an arithmetic number, because the mean of its divisors is an integer number (45318).

2²⁵²⁴⁴⁷ is an apocalyptic number.

252447 is a deficient number, since it is larger than the sum of its proper divisors (110097).

252447 is a wasteful number, since it uses less digits than its factorization.

252447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489.

The product of its digits is 2240, while the sum is 24.

The square root of 252447 is about 502.4410413173. The cubic root of 252447 is about 63.2009206457.

Adding to 252447 its reverse (744252), we get a palindrome (996699).

The spelling of 252447 in words is "two hundred fifty-two thousand, four hundred forty-seven".