252469 has 4 divisors (see below), whose sum is σ = 288544. Its totient is φ = 216396.

The previous prime is 252463. The next prime is 252481. The reversal of 252469 is 964252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252469 - 2⁷ = 252341 is a prime.

It is a super-2 number, since 2×252469² = 127481191922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252463) 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, 18027 + ... + 18040.

It is an arithmetic number, because the mean of its divisors is an integer number (72136).

2²⁵²⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

252469 is a deficient number, since it is larger than the sum of its proper divisors (36075).

252469 is an equidigital number, since it uses as much as digits as its factorization.

252469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36074.

The product of its digits is 4320, while the sum is 28.

The square root of 252469 is about 502.4629339563. The cubic root of 252469 is about 63.2027565160.

The spelling of 252469 in words is "two hundred fifty-two thousand, four hundred sixty-nine".