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1345356637 is a prime number
BaseRepresentation
bin101000000110000…
…1000001101011101
310110202112012100121
41100030020031131
510223402403022
6341255354541
745224225362
oct12014101535
93422465317
101345356637
11630467399
12316682a51
13185958a21
14ca96a469
157d19e2c7
hex5030835d

1345356637 has 2 divisors, whose sum is σ = 1345356638. Its totient is φ = 1345356636.

The previous prime is 1345356629. The next prime is 1345356671. The reversal of 1345356637 is 7366535431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1337438041 + 7918596 = 36571^2 + 2814^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345356637 - 23 = 1345356629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345356593 and 1345356602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345356937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672678318 + 672678319.

It is an arithmetic number, because the mean of its divisors is an integer number (672678319).

Almost surely, 21345356637 is an apocalyptic number.

It is an amenable number.

1345356637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345356637 is an equidigital number, since it uses as much as digits as its factorization.

1345356637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 43.

The square root of 1345356637 is about 36679.1035468426. The cubic root of 1345356637 is about 1103.9408610260.

The spelling of 1345356637 in words is "one billion, three hundred forty-five million, three hundred fifty-six thousand, six hundred thirty-seven".