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BaseRepresentation
bin1100110100001001
32200000001
430310021
53134424
61043001
7306013
oct146411
980001
1052489
1136488
1226461
131ab78
14151b3
1510844
hexcd09

52489 has 2 divisors, whose sum is σ = 52490. Its totient is φ = 52488.

The previous prime is 52457. The next prime is 52501. The reversal of 52489 is 98425.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36864 + 15625 = 192^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 52489 - 25 = 52457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a Pierpont prime, being equal to 23 ⋅ 38 + 1.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26244 + 26245.

It is an arithmetic number, because the mean of its divisors is an integer number (26245).

252489 is an apocalyptic number.

It is an amenable number.

52489 is a deficient number, since it is larger than the sum of its proper divisors (1).

52489 is an equidigital number, since it uses as much as digits as its factorization.

52489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 52489 is about 229.1047795224. The cubic root of 52489 is about 37.4417465916.

The spelling of 52489 in words is "fifty-two thousand, four hundred eighty-nine".