1053681705 has 12 divisors (see below), whose sum is σ = 1826381700. Its totient is φ = 561963552.

The previous prime is 1053681703. The next prime is 1053681757. The reversal of 1053681705 is 5071863501.

It can be written as a sum of positive squares in 2 ways, for example, as 629156889 + 424524816 = 25083^2 + 20604^2 .

It is not a de Polignac number, because 1053681705 - 2¹ = 1053681703 is a prime.

It is a super-2 number, since 2×1053681705² = 2220490270903414050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1053681705.

It is not an unprimeable number, because it can be changed into a prime (1053681703) 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 11 ways as a sum of consecutive naturals, for example, 11707530 + ... + 11707619.

It is an arithmetic number, because the mean of its divisors is an integer number (152198475).

Almost surely, 2^1053681705 is an apocalyptic number.

1053681705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1053681705 is a deficient number, since it is larger than the sum of its proper divisors (772699995).

1053681705 is a wasteful number, since it uses less digits than its factorization.

1053681705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23415160 (or 23415157 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1053681705 is about 32460.4637212718. The cubic root of 1053681705 is about 1017.5829302541.

The spelling of 1053681705 in words is "one billion, fifty-three million, six hundred eighty-one thousand, seven hundred five".