253270 has 32 divisors (see below), whose sum is σ = 506880. Its totient is φ = 90720.
The previous prime is 253247. The next prime is 253273. The reversal of 253270 is 72352.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253273) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5869 + ... + 5911.
It is an arithmetic number, because the mean of its divisors is an integer number (15840).
2253270 is an apocalyptic number.
253270 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253270 is a wasteful number, since it uses less digits than its factorization.
253270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100.
The product of its (nonzero) digits is 420, while the sum is 19.
The square root of 253270 is about 503.2593764651. The cubic root of 253270 is about 63.2695263807.
The spelling of 253270 in words is "two hundred fifty-three thousand, two hundred seventy".
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