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1405331041 is a prime number
BaseRepresentation
bin101001111000011…
…1010011001100001
310121221101012202211
41103300322121201
510334231043131
6351241042121
746553055022
oct12360723141
93557335684
101405331041
11661300014
12332786341
131951c713a
14d48dcc49
15835995b1
hex53c3a661

1405331041 has 2 divisors, whose sum is σ = 1405331042. Its totient is φ = 1405331040.

The previous prime is 1405331023. The next prime is 1405331071. The reversal of 1405331041 is 1401335041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 979940416 + 425390625 = 31304^2 + 20625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1405331041 - 211 = 1405328993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1405331071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702665520 + 702665521.

It is an arithmetic number, because the mean of its divisors is an integer number (702665521).

Almost surely, 21405331041 is an apocalyptic number.

It is an amenable number.

1405331041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405331041 is an equidigital number, since it uses as much as digits as its factorization.

1405331041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1405331041 is about 37487.7452109353. The cubic root of 1405331041 is about 1120.1070903659.

Adding to 1405331041 its reverse (1401335041), we get a palindrome (2806666082).

The spelling of 1405331041 in words is "one billion, four hundred five million, three hundred thirty-one thousand, forty-one".