252930 has 16 divisors (see below), whose sum is σ = 607104. Its totient is φ = 67440.

The previous prime is 252919. The next prime is 252937. The reversal of 252930 is 39252.

It is a junction number, because it is equal to n+sod(n) for n = 252897 and 252906.

It is not an unprimeable number, because it can be changed into a prime (252937) by changing a digit.

252930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4186 + ... + 4245.

It is an arithmetic number, because the mean of its divisors is an integer number (37944).

2²⁵²⁹³⁰ is an apocalyptic number.

252930 is an abundant number, since it is smaller than the sum of its proper divisors (354174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252930 is a wasteful number, since it uses less digits than its factorization.

252930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8441.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 252930 is about 502.9214650420. The cubic root of 252930 is about 63.2412018362.

The spelling of 252930 in words is "two hundred fifty-two thousand, nine hundred thirty".