1000535645 has 8 divisors (see below), whose sum is σ = 1200908760. Its totient is φ = 800251200.

The previous prime is 1000535609. The next prime is 1000535647. The reversal of 1000535645 is 5465350001.

It can be written as a sum of positive squares in 4 ways, for example, as 91030681 + 909504964 = 9541^2 + 30158^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000535645 - 2¹⁸ = 1000273501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000535647) 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 7 ways as a sum of consecutive naturals, for example, 5891 + ... + 45119.

It is an arithmetic number, because the mean of its divisors is an integer number (150113595).

Almost surely, 2^1000535645 is an apocalyptic number.

It is an amenable number.

1000535645 is a deficient number, since it is larger than the sum of its proper divisors (200373115).

1000535645 is an equidigital number, since it uses as much as digits as its factorization.

1000535645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44335.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1000535645 is about 31631.2447589405. The cubic root of 1000535645 is about 1000.1785164633.

Adding to 1000535645 its reverse (5465350001), we get a palindrome (6465885646).

The spelling of 1000535645 in words is "one billion, five hundred thirty-five thousand, six hundred forty-five".