252904 has 16 divisors (see below), whose sum is σ = 480420. Its totient is φ = 124800.
The previous prime is 252899. The next prime is 252911. The reversal of 252904 is 409252.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 900 = 502^2 + 30^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652 + ... + 964.
2252904 is an apocalyptic number.
It is an amenable number.
252904 is a deficient number, since it is larger than the sum of its proper divisors (227516).
252904 is a wasteful number, since it uses less digits than its factorization.
252904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420 (or 416 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 252904 is about 502.8956154114. The cubic root of 252904 is about 63.2390347971.
It can be divided in two parts, 252 and 904, that added together give a square (1156 = 342).
The spelling of 252904 in words is "two hundred fifty-two thousand, nine hundred four".
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