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513541489 is a prime number
BaseRepresentation
bin11110100111000…
…000010101110001
31022210022121111011
4132213000111301
52022431311424
6122542550521
715504013336
oct3647002561
91283277434
10513541489
1124397635a
12123b98441
1382516906
144c2bc98d
1530140694
hex1e9c0571

513541489 has 2 divisors, whose sum is σ = 513541490. Its totient is φ = 513541488.

The previous prime is 513541453. The next prime is 513541529. The reversal of 513541489 is 984145315.

It is an a-pointer prime, because the next prime (513541529) can be obtained adding 513541489 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353139264 + 160402225 = 18792^2 + 12665^2 .

It is a cyclic number.

It is not a de Polignac number, because 513541489 - 29 = 513540977 is a prime.

It is not a weakly prime, because it can be changed into another prime (513541289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256770744 + 256770745.

It is an arithmetic number, because the mean of its divisors is an integer number (256770745).

Almost surely, 2513541489 is an apocalyptic number.

It is an amenable number.

513541489 is a deficient number, since it is larger than the sum of its proper divisors (1).

513541489 is an equidigital number, since it uses as much as digits as its factorization.

513541489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The square root of 513541489 is about 22661.4538147931. The cubic root of 513541489 is about 800.8020544712.

The spelling of 513541489 in words is "five hundred thirteen million, five hundred forty-one thousand, four hundred eighty-nine".