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487725331 is a prime number
BaseRepresentation
bin11101000100100…
…001100100010011
31020222202000101011
4131010201210103
51444324202311
6120221351351
715041411512
oct3504414423
91228660334
10487725331
11230343295
12117408557
137a078092
1448abc679
152cc41321
hex1d121913

487725331 has 2 divisors, whose sum is σ = 487725332. Its totient is φ = 487725330.

The previous prime is 487725253. The next prime is 487725349. The reversal of 487725331 is 133527784.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487725331 - 29 = 487724819 is a prime.

It is a super-2 number, since 2×4877253312 = 475751996998119122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (487725391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243862665 + 243862666.

It is an arithmetic number, because the mean of its divisors is an integer number (243862666).

Almost surely, 2487725331 is an apocalyptic number.

487725331 is a deficient number, since it is larger than the sum of its proper divisors (1).

487725331 is an equidigital number, since it uses as much as digits as its factorization.

487725331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The square root of 487725331 is about 22084.5043186393. The cubic root of 487725331 is about 787.1516993712.

The spelling of 487725331 in words is "four hundred eighty-seven million, seven hundred twenty-five thousand, three hundred thirty-one".