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1354401481 is a prime number
BaseRepresentation
bin101000010111010…
…1000011011001001
310111101112201112211
41100232220123021
510233211321411
6342221305121
745364136236
oct12056503311
93441481484
101354401481
11635584974
123197051a1
131877a48c4
14cbc4278d
157dd89221
hex50ba86c9

1354401481 has 2 divisors, whose sum is σ = 1354401482. Its totient is φ = 1354401480.

The previous prime is 1354401403. The next prime is 1354401527. The reversal of 1354401481 is 1841044531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1317690000 + 36711481 = 36300^2 + 6059^2 .

It is an emirp because it is prime and its reverse (1841044531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1354401481 - 27 = 1354401353 is a prime.

It is a super-2 number, since 2×13544014812 = 3668806743469986722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1354404481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677200740 + 677200741.

It is an arithmetic number, because the mean of its divisors is an integer number (677200741).

Almost surely, 21354401481 is an apocalyptic number.

It is an amenable number.

1354401481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354401481 is an equidigital number, since it uses as much as digits as its factorization.

1354401481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1354401481 is about 36802.1939699252. The cubic root of 1354401481 is about 1106.4092721149.

The spelling of 1354401481 in words is "one billion, three hundred fifty-four million, four hundred one thousand, four hundred eighty-one".