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1005132487 is a prime number
BaseRepresentation
bin111011111010010…
…001101011000111
32121001100000120011
4323322101223013
54024303214422
6243423251051
733623325262
oct7372215307
92531300504
101005132487
11476409a07
12240749a87
13130316368
14976c5cd9
155d397077
hex3be91ac7

1005132487 has 2 divisors, whose sum is σ = 1005132488. Its totient is φ = 1005132486.

The previous prime is 1005132473. The next prime is 1005132517. The reversal of 1005132487 is 7842315001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1005132487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005132187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502566243 + 502566244.

It is an arithmetic number, because the mean of its divisors is an integer number (502566244).

Almost surely, 21005132487 is an apocalyptic number.

1005132487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005132487 is an equidigital number, since it uses as much as digits as its factorization.

1005132487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1005132487 is about 31703.8244853835. The cubic root of 1005132487 is about 1001.7079103815.

Adding to 1005132487 its reverse (7842315001), we get a palindrome (8847447488).

The spelling of 1005132487 in words is "one billion, five million, one hundred thirty-two thousand, four hundred eighty-seven".