1040305025 has 6 divisors (see below), whose sum is σ = 1289978262. Its totient is φ = 832244000.

The previous prime is 1040304989. The next prime is 1040305027. The reversal of 1040305025 is 5205030401.

It can be written as a sum of positive squares in 3 ways, for example, as 105657841 + 934647184 = 10279^2 + 30572^2 .

It is not a de Polignac number, because 1040305025 - 2⁶ = 1040304961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040304988 and 1040305006.

It is not an unprimeable number, because it can be changed into a prime (1040305027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20806076 + ... + 20806125.

It is an arithmetic number, because the mean of its divisors is an integer number (214996377).

Almost surely, 2^1040305025 is an apocalyptic number.

It is an amenable number.

1040305025 is a deficient number, since it is larger than the sum of its proper divisors (249673237).

1040305025 is an equidigital number, since it uses as much as digits as its factorization.

1040305025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41612211 (or 41612206 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1040305025 is about 32253.7598583483. The cubic root of 1040305025 is about 1013.2584450827.

Adding to 1040305025 its reverse (5205030401), we get a palindrome (6245335426).

The spelling of 1040305025 in words is "one billion, forty million, three hundred five thousand, twenty-five".