252819 has 12 divisors (see below), whose sum is σ = 417456. Its totient is φ = 144432.
The previous prime is 252817. The next prime is 252823. The reversal of 252819 is 918252.
It is not a de Polignac number, because 252819 - 21 = 252817 is a prime.
It is a super-2 number, since 2×2528192 = 127834893522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 252792 and 252801.
It is not an unprimeable number, because it can be changed into a prime (252817) 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, 1944 + ... + 2069.
It is an arithmetic number, because the mean of its divisors is an integer number (34788).
2252819 is an apocalyptic number.
252819 is a deficient number, since it is larger than the sum of its proper divisors (164637).
252819 is a wasteful number, since it uses less digits than its factorization.
252819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4026 (or 4023 counting only the distinct ones).
The product of its digits is 1440, while the sum is 27.
The square root of 252819 is about 502.8110977296. The cubic root of 252819 is about 63.2319492096.
It can be divided in two parts, 25281 and 9, that multiplied together give a square (227529 = 4772).
The spelling of 252819 in words is "two hundred fifty-two thousand, eight hundred nineteen".
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