247252 has 6 divisors (see below), whose sum is σ = 432698. Its totient is φ = 123624.
The previous prime is 247249. The next prime is 247259. The reversal of 247252 is 252742.
It can be written as a sum of positive squares in only one way, i.e., 234256 + 12996 = 484^2 + 114^2 .
It is a super-2 number, since 2×2472522 = 122267103008, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (247259) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30903 + ... + 30910.
2247252 is an apocalyptic number.
It is an amenable number.
247252 is a deficient number, since it is larger than the sum of its proper divisors (185446).
247252 is a wasteful number, since it uses less digits than its factorization.
247252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61817 (or 61815 counting only the distinct ones).
The product of its digits is 1120, while the sum is 22.
The square root of 247252 is about 497.2444067056. The cubic root of 247252 is about 62.7643840403.
Adding to 247252 its reverse (252742), we get a palindrome (499994).
The spelling of 247252 in words is "two hundred forty-seven thousand, two hundred fifty-two".
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