253146 has 16 divisors (see below), whose sum is σ = 523008. Its totient is φ = 81600.
The previous prime is 253133. The next prime is 253153. The reversal of 253146 is 641352.
It is a happy number.
253146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253146.
It is an unprimeable number.
253146 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, 495 + ... + 866.
It is an arithmetic number, because the mean of its divisors is an integer number (32688).
2253146 is an apocalyptic number.
253146 is an abundant number, since it is smaller than the sum of its proper divisors (269862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253146 is a wasteful number, since it uses less digits than its factorization.
253146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1397.
The product of its digits is 720, while the sum is 21.
The square root of 253146 is about 503.1361644724. The cubic root of 253146 is about 63.2591991911.
Adding to 253146 its reverse (641352), we get a palindrome (894498).
The spelling of 253146 in words is "two hundred fifty-three thousand, one hundred forty-six".
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