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1315441 is a prime number
BaseRepresentation
bin101000001001001110001
32110211110001
411001021301
5314043231
644110001
714116051
oct5011161
92424401
101315441
11819346
12535301
1337098a
14263561
151aeb61
hex141271

1315441 has 2 divisors, whose sum is σ = 1315442. Its totient is φ = 1315440.

The previous prime is 1315399. The next prime is 1315451. The reversal of 1315441 is 1445131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 950625 + 364816 = 975^2 + 604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315441 - 217 = 1184369 is a prime.

It is a super-3 number, since 3×13154413 = 6828658220964933363, which contains 333 as substring.

1315441 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1315451) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657720 + 657721.

It is an arithmetic number, because the mean of its divisors is an integer number (657721).

21315441 is an apocalyptic number.

It is an amenable number.

1315441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315441 is an equidigital number, since it uses as much as digits as its factorization.

1315441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 19.

The square root of 1315441 is about 1146.9267631370. The cubic root of 1315441 is about 109.5696963212.

The spelling of 1315441 in words is "one million, three hundred fifteen thousand, four hundred forty-one".