252487 has 4 divisors (see below), whose sum is σ = 254200. Its totient is φ = 250776.

The previous prime is 252481. The next prime is 252509. The reversal of 252487 is 784252.

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 252487 - 2⁷ = 252359 is a prime.

It is a Duffinian number.

252487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252481) 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, 612 + ... + 937.

It is an arithmetic number, because the mean of its divisors is an integer number (63550).

2²⁵²⁴⁸⁷ is an apocalyptic number.

252487 is a deficient number, since it is larger than the sum of its proper divisors (1713).

252487 is a wasteful number, since it uses less digits than its factorization.

252487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712.

The product of its digits is 4480, while the sum is 28.

The square root of 252487 is about 502.4808454061. The cubic root of 252487 is about 63.2042585124.

The spelling of 252487 in words is "two hundred fifty-two thousand, four hundred eighty-seven".