252479 has 4 divisors (see below), whose sum is σ = 256680. Its totient is φ = 248280.

The previous prime is 252463. The next prime is 252481. The reversal of 252479 is 974252.

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 252479 - 2⁴ = 252463 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 5 + 4⁸ + 2¹³ + 7⁶ + 9⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009 + ... + 2130.

It is an arithmetic number, because the mean of its divisors is an integer number (64170).

2²⁵²⁴⁷⁹ is an apocalyptic number.

252479 is a deficient number, since it is larger than the sum of its proper divisors (4201).

252479 is an equidigital number, since it uses as much as digits as its factorization.

252479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200.

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

The square root of 252479 is about 502.4728848406. The cubic root of 252479 is about 63.2035909672.

It can be divided in two parts, 2524 and 79, that multiplied together give a triangular number (199396 = T₆₃₁).

The spelling of 252479 in words is "two hundred fifty-two thousand, four hundred seventy-nine".