252549 has 12 divisors (see below), whose sum is σ = 398112. Its totient is φ = 153000.

The previous prime is 252541. The next prime is 252559. The reversal of 252549 is 945252.

It is not a de Polignac number, because 252549 - 2³ = 252541 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1177 + ... + 1374.

It is an arithmetic number, because the mean of its divisors is an integer number (33176).

2²⁵²⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

252549 is a deficient number, since it is larger than the sum of its proper divisors (145563).

252549 is a wasteful number, since it uses less digits than its factorization.

252549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568 (or 2565 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 252549 is about 502.5425355132. The cubic root of 252549 is about 63.2094315092.

The spelling of 252549 in words is "two hundred fifty-two thousand, five hundred forty-nine".