1045572025 has 12 divisors (see below), whose sum is σ = 1317765484. Its totient is φ = 822744000.

The previous prime is 1045572023. The next prime is 1045572041. The reversal of 1045572025 is 5202755401.

It can be written as a sum of positive squares in 6 ways, for example, as 575376169 + 470195856 = 23987^2 + 21684^2 .

It is not a de Polignac number, because 1045572025 - 2¹ = 1045572023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045572023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341286 + ... + 344335.

Almost surely, 2^1045572025 is an apocalyptic number.

It is an amenable number.

1045572025 is a deficient number, since it is larger than the sum of its proper divisors (272193459).

1045572025 is an equidigital number, since it uses as much as digits as its factorization.

1045572025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685692 (or 685687 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 1045572025 is about 32335.3061683356. The cubic root of 1045572025 is about 1014.9655888744.

The spelling of 1045572025 in words is "one billion, forty-five million, five hundred seventy-two thousand, twenty-five".