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1405341589 is a prime number
BaseRepresentation
bin101001111000011…
…1100111110010101
310121221101202020111
41103300330332111
510334231412324
6351241203021
746553130541
oct12360747625
93557352214
101405341589
11661307a33
12332790471
131951cbb92
14d4902a21
158359c794
hex53c3cf95

1405341589 has 2 divisors, whose sum is σ = 1405341590. Its totient is φ = 1405341588.

The previous prime is 1405341571. The next prime is 1405341599. The reversal of 1405341589 is 9851435041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1256135364 + 149206225 = 35442^2 + 12215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1405341589 - 25 = 1405341557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1405341599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702670794 + 702670795.

It is an arithmetic number, because the mean of its divisors is an integer number (702670795).

Almost surely, 21405341589 is an apocalyptic number.

It is an amenable number.

1405341589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405341589 is an equidigital number, since it uses as much as digits as its factorization.

1405341589 is an evil number, because the sum of its binary digits is even.

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

The square root of 1405341589 is about 37487.8858966467. The cubic root of 1405341589 is about 1120.1098927567.

The spelling of 1405341589 in words is "one billion, four hundred five million, three hundred forty-one thousand, five hundred eighty-nine".