252947 has 4 divisors (see below), whose sum is σ = 266280. Its totient is φ = 239616.

The previous prime is 252937. The next prime is 252949. The reversal of 252947 is 749252.

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 252947 - 2⁸ = 252691 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252947.

It is not an unprimeable number, because it can be changed into a prime (252949) 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, 6638 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (66570).

2²⁵²⁹⁴⁷ is an apocalyptic number.

252947 is a deficient number, since it is larger than the sum of its proper divisors (13333).

252947 is a wasteful number, since it uses less digits than its factorization.

252947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332.

The product of its digits is 5040, while the sum is 29.

The square root of 252947 is about 502.9383660052. The cubic root of 252947 is about 63.2426186661.

The spelling of 252947 in words is "two hundred fifty-two thousand, nine hundred forty-seven".