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1345041487 is a prime number
BaseRepresentation
bin101000000101011…
…1011010001001111
310110201221012001101
41100022323101033
510223312311422
6341244523531
745221443516
oct12012732117
93421835041
101345041487
11630271639
123165505a7
1318587844a
14ca8c767d
157d13ac27
hex502bb44f

1345041487 has 2 divisors, whose sum is σ = 1345041488. Its totient is φ = 1345041486.

The previous prime is 1345041457. The next prime is 1345041497. The reversal of 1345041487 is 7841405431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1345041487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345041457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672520743 + 672520744.

It is an arithmetic number, because the mean of its divisors is an integer number (672520744).

Almost surely, 21345041487 is an apocalyptic number.

1345041487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345041487 is an equidigital number, since it uses as much as digits as its factorization.

1345041487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 1345041487 is about 36674.8072523906. The cubic root of 1345041487 is about 1103.8546548553.

The spelling of 1345041487 in words is "one billion, three hundred forty-five million, forty-one thousand, four hundred eighty-seven".