1040525305 has 16 divisors (see below), whose sum is σ = 1263764880. Its totient is φ = 822362112.

The previous prime is 1040525257. The next prime is 1040525327. The reversal of 1040525305 is 5035250401.

It can be written as a sum of positive squares in 8 ways, for example, as 185313769 + 855211536 = 13613^2 + 29244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040525305 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040525305.

It is an unprimeable number.

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, 326761 + ... + 329929.

It is an arithmetic number, because the mean of its divisors is an integer number (78985305).

Almost surely, 2^1040525305 is an apocalyptic number.

It is an amenable number.

1040525305 is a deficient number, since it is larger than the sum of its proper divisors (223239575).

1040525305 is an equidigital number, since it uses as much as digits as its factorization.

1040525305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1040525305 is about 32257.1744732858. The cubic root of 1040525305 is about 1013.3299577041.

Adding to 1040525305 its reverse (5035250401), we get a palindrome (6075775706).

The spelling of 1040525305 in words is "one billion, forty million, five hundred twenty-five thousand, three hundred five".