252270 has 24 divisors (see below), whose sum is σ = 656136. Its totient is φ = 67248.
The previous prime is 252253. The next prime is 252277. The reversal of 252270 is 72252.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252277) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1312 + ... + 1491.
It is an arithmetic number, because the mean of its divisors is an integer number (27339).
2252270 is an apocalyptic number.
252270 is an abundant number, since it is smaller than the sum of its proper divisors (403866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252270 is a wasteful number, since it uses less digits than its factorization.
252270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2816 (or 2813 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 18.
The square root of 252270 is about 502.2648703622. The cubic root of 252270 is about 63.1861463519.
Subtracting from 252270 its sum of digits (18), we obtain a palindrome (252252).
The spelling of 252270 in words is "two hundred fifty-two thousand, two hundred seventy".
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