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4752521 is a prime number
BaseRepresentation
bin10010001000010010001001
322221110020022
4102020102021
52204040041
6245510225
755252514
oct22102211
98843208
104752521
112756704
121712375
13ca5257
148b9d7b
1563d24b
hex488489

4752521 has 2 divisors, whose sum is σ = 4752522. Its totient is φ = 4752520.

The previous prime is 4752481. The next prime is 4752551. The reversal of 4752521 is 1252574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4752400 + 121 = 2180^2 + 11^2 .

It is a cyclic number.

It is not a de Polignac number, because 4752521 - 218 = 4490377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4752551) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2376260 + 2376261.

It is an arithmetic number, because the mean of its divisors is an integer number (2376261).

Almost surely, 24752521 is an apocalyptic number.

It is an amenable number.

4752521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4752521 is an equidigital number, since it uses as much as digits as its factorization.

4752521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 26.

The square root of 4752521 is about 2180.0277521169. The cubic root of 4752521 is about 168.1285038172.

The spelling of 4752521 in words is "four million, seven hundred fifty-two thousand, five hundred twenty-one".