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487725401 is a prime number
BaseRepresentation
bin11101000100100…
…001100101011001
31020222202000110202
4131010201211121
51444324203101
6120221351545
715041411642
oct3504414531
91228660422
10487725401
11230343349
121174085b5
137a078117
1448abc6c9
152cc4136b
hex1d121959

487725401 has 2 divisors, whose sum is σ = 487725402. Its totient is φ = 487725400.

The previous prime is 487725391. The next prime is 487725443. The reversal of 487725401 is 104527784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466344025 + 21381376 = 21595^2 + 4624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-487725401 is a prime.

It is a super-2 number, since 2×4877254012 = 475752133561221602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (487725001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243862700 + 243862701.

It is an arithmetic number, because the mean of its divisors is an integer number (243862701).

Almost surely, 2487725401 is an apocalyptic number.

It is an amenable number.

487725401 is a deficient number, since it is larger than the sum of its proper divisors (1).

487725401 is an equidigital number, since it uses as much as digits as its factorization.

487725401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 487725401 is about 22084.5059034609. The cubic root of 487725401 is about 787.1517370294.

The spelling of 487725401 in words is "four hundred eighty-seven million, seven hundred twenty-five thousand, four hundred one".