252505 has 8 divisors (see below), whose sum is σ = 330624. Its totient is φ = 183600.

The previous prime is 252481. The next prime is 252509. The reversal of 252505 is 505252.

252505 = T₆₇ + T₆₈ + ... + T₁₂₁.

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

It is not a de Polignac number, because 252505 - 2¹³ = 244313 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252509) 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 7 ways as a sum of consecutive naturals, for example, 2241 + ... + 2350.

It is an arithmetic number, because the mean of its divisors is an integer number (41328).

2²⁵²⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

252505 is a deficient number, since it is larger than the sum of its proper divisors (78119).

252505 is a wasteful number, since it uses less digits than its factorization.

252505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 252505 is about 502.4987562174. The cubic root of 252505 is about 63.2057604374.

Adding to 252505 its reverse (505252), we get a palindrome (757757).

It can be divided in two parts, 252 and 505, that multiplied together give a triangular number (127260 = T₅₀₄).

The spelling of 252505 in words is "two hundred fifty-two thousand, five hundred five".