252746 has 8 divisors (see below), whose sum is σ = 408324. Its totient is φ = 116640.

The previous prime is 252737. The next prime is 252761. The reversal of 252746 is 647252.

It can be written as a sum of positive squares in 2 ways, for example, as 192721 + 60025 = 439^2 + 245^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 9721 = 252746 / (2 + 5 + 2 + 7 + 4 + 6).

It is a Curzon number.

It is an unprimeable number.

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, 4835 + ... + 4886.

2²⁵²⁷⁴⁶ is an apocalyptic number.

252746 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

252746 is a deficient number, since it is larger than the sum of its proper divisors (155578).

252746 is a wasteful number, since it uses less digits than its factorization.

252746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9736.

The product of its digits is 3360, while the sum is 26.

The square root of 252746 is about 502.7385006144. The cubic root of 252746 is about 63.2258626725.

Adding to 252746 its reverse (647252), we get a palindrome (899998).

The spelling of 252746 in words is "two hundred fifty-two thousand, seven hundred forty-six".