1005134479 has 2 divisors, whose sum is σ = 1005134480. Its totient is φ = 1005134478.

The previous prime is 1005134381. The next prime is 1005134497. The reversal of 1005134479 is 9744315001.

Together with next prime (1005134497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1005134479 - 2¹⁷ = 1005003407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005135479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502567239 + 502567240.

It is an arithmetic number, because the mean of its divisors is an integer number (502567240).

Almost surely, 2^1005134479 is an apocalyptic number.

1005134479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005134479 is an equidigital number, since it uses as much as digits as its factorization.

1005134479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1005134479 is about 31703.8559011361. The cubic root of 1005134479 is about 1001.7085721187.

The spelling of 1005134479 in words is "one billion, five million, one hundred thirty-four thousand, four hundred seventy-nine".