252788 has 6 divisors (see below), whose sum is σ = 442386. Its totient is φ = 126392.
The previous prime is 252779. The next prime is 252817. The reversal of 252788 is 887252.
It can be written as a sum of positive squares in only one way, i.e., 252004 + 784 = 502^2 + 28^2 .
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252788.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31595 + ... + 31602.
It is an arithmetic number, because the mean of its divisors is an integer number (73731).
2252788 is an apocalyptic number.
It is an amenable number.
252788 is a deficient number, since it is larger than the sum of its proper divisors (189598).
252788 is a wasteful number, since it uses less digits than its factorization.
252788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63201 (or 63199 counting only the distinct ones).
The product of its digits is 8960, while the sum is 32.
The square root of 252788 is about 502.7802700982. The cubic root of 252788 is about 63.2293646589.
The spelling of 252788 in words is "two hundred fifty-two thousand, seven hundred eighty-eight".
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