252536 has 8 divisors (see below), whose sum is σ = 473520. Its totient is φ = 126264.

The previous prime is 252533. The next prime is 252541. The reversal of 252536 is 635252.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252533) 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 as a sum of consecutive naturals, namely, 15776 + ... + 15791.

It is an arithmetic number, because the mean of its divisors is an integer number (59190).

2²⁵²⁵³⁶ is an apocalyptic number.

It is an amenable number.

252536 is a deficient number, since it is larger than the sum of its proper divisors (220984).

252536 is a wasteful number, since it uses less digits than its factorization.

252536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31573 (or 31569 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 252536 is about 502.5296011182. The cubic root of 252536 is about 63.2083469187.

Adding to 252536 its reverse (635252), we get a palindrome (887788).

The spelling of 252536 in words is "two hundred fifty-two thousand, five hundred thirty-six".