1047463565 has 16 divisors (see below), whose sum is σ = 1263334320. Its totient is φ = 833733120.

The previous prime is 1047463541. The next prime is 1047463567. The reversal of 1047463565 is 5653647401.

It can be written as a sum of positive squares in 8 ways, for example, as 116359369 + 931104196 = 10787^2 + 30514^2 .

It is not a de Polignac number, because 1047463565 - 2¹⁶ = 1047398029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047463567) 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 in 15 ways as a sum of consecutive naturals, for example, 1584335 + ... + 1584995.

It is an arithmetic number, because the mean of its divisors is an integer number (78958395).

Almost surely, 2^1047463565 is an apocalyptic number.

It is an amenable number.

1047463565 is a deficient number, since it is larger than the sum of its proper divisors (215870755).

1047463565 is an equidigital number, since it uses as much as digits as its factorization.

1047463565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 1047463565 is about 32364.5417857259. The cubic root of 1047463565 is about 1015.5772768298.

The spelling of 1047463565 in words is "one billion, forty-seven million, four hundred sixty-three thousand, five hundred sixty-five".