252730 has 16 divisors (see below), whose sum is σ = 460800. Its totient is φ = 99792.

The previous prime is 252727. The next prime is 252731. The reversal of 252730 is 37252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 252698 and 252707.

It is not an unprimeable number, because it can be changed into a prime (252731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171 + ... + 1369.

It is an arithmetic number, because the mean of its divisors is an integer number (28800).

2²⁵²⁷³⁰ is an apocalyptic number.

252730 is a deficient number, since it is larger than the sum of its proper divisors (208070).

252730 is a wasteful number, since it uses less digits than its factorization.

252730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 252730 is about 502.7225875172. The cubic root of 252730 is about 63.2245284804.

Adding to 252730 its reverse (37252), we get a palindrome (289982).

The spelling of 252730 in words is "two hundred fifty-two thousand, seven hundred thirty".