1045243025 has 6 divisors (see below), whose sum is σ = 1296101382. Its totient is φ = 836194400.

The previous prime is 1045243019. The next prime is 1045243033. The reversal of 1045243025 is 5203425401.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 595984 + 1044647041 = 772^2 + 32321^2 .

It is not a de Polignac number, because 1045243025 - 2¹⁰ = 1045242001 is a prime.

It is a super-2 number, since 2×1045243025² = 2185065962622301250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045242985 and 1045243003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20904836 + ... + 20904885.

It is an arithmetic number, because the mean of its divisors is an integer number (216016897).

Almost surely, 2^1045243025 is an apocalyptic number.

It is an amenable number.

1045243025 is a deficient number, since it is larger than the sum of its proper divisors (250858357).

1045243025 is an equidigital number, since it uses as much as digits as its factorization.

1045243025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41809731 (or 41809726 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1045243025 is about 32330.2184496177. The cubic root of 1045243025 is about 1014.8591212500.

Adding to 1045243025 its reverse (5203425401), we get a palindrome (6248668426).

The spelling of 1045243025 in words is "one billion, forty-five million, two hundred forty-three thousand, twenty-five".