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2405525489 is a prime number
BaseRepresentation
bin1000111101100001…
…0110011111110001
320012122102100121122
42033120112133301
514411303303424
61034410432025
7113416425563
oct21730263761
96178370548
102405525489
1110249469a4
12571732615
132c44a1983
1418b69b333
15e12b845e
hex8f6167f1

2405525489 has 2 divisors, whose sum is σ = 2405525490. Its totient is φ = 2405525488.

The previous prime is 2405525467. The next prime is 2405525497. The reversal of 2405525489 is 9845255042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2347887025 + 57638464 = 48455^2 + 7592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2405525489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2405525429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202762744 + 1202762745.

It is an arithmetic number, because the mean of its divisors is an integer number (1202762745).

Almost surely, 22405525489 is an apocalyptic number.

It is an amenable number.

2405525489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405525489 is an equidigital number, since it uses as much as digits as its factorization.

2405525489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 44.

The square root of 2405525489 is about 49046.1567199714. The cubic root of 2405525489 is about 1339.8925972060.

The spelling of 2405525489 in words is "two billion, four hundred five million, five hundred twenty-five thousand, four hundred eighty-nine".