253026 has 12 divisors (see below), whose sum is σ = 548262. Its totient is φ = 84336.
The previous prime is 253013. The next prime is 253049. The reversal of 253026 is 620352.
It can be written as a sum of positive squares in only one way, i.e., 251001 + 2025 = 501^2 + 45^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 14057 = 253026 / (2 + 5 + 3 + 0 + 2 + 6).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7011 + ... + 7046.
2253026 is an apocalyptic number.
253026 is an abundant number, since it is smaller than the sum of its proper divisors (295236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253026 is a wasteful number, since it uses less digits than its factorization.
253026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14065 (or 14062 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 253026 is about 503.0168983245. The cubic root of 253026 is about 63.2492019251.
Adding to 253026 its reverse (620352), we get a palindrome (873378).
It can be divided in two parts, 2530 and 26, that added together give a triangular number (2556 = T71).
The spelling of 253026 in words is "two hundred fifty-three thousand, twenty-six".
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