1006456705 has 4 divisors (see below), whose sum is σ = 1207748052. Its totient is φ = 805165360.

The previous prime is 1006456691. The next prime is 1006456709. The reversal of 1006456705 is 5076546001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 385101376 + 621355329 = 19624^2 + 24927^2 .

It is not a de Polignac number, because 1006456705 - 2⁵ = 1006456673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006456709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100645666 + ... + 100645675.

It is an arithmetic number, because the mean of its divisors is an integer number (301937013).

Almost surely, 2^1006456705 is an apocalyptic number.

It is an amenable number.

1006456705 is a deficient number, since it is larger than the sum of its proper divisors (201291347).

1006456705 is an equidigital number, since it uses as much as digits as its factorization.

1006456705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201291346.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1006456705 is about 31724.7018110494. The cubic root of 1006456705 is about 1002.1476194290.

The spelling of 1006456705 in words is "one billion, six million, four hundred fifty-six thousand, seven hundred five".