1045825625 has 20 divisors (see below), whose sum is σ = 1407402612. Its totient is φ = 772296000.

The previous prime is 1045825619. The next prime is 1045825633. The reversal of 1045825625 is 5265285401.

It can be written as a sum of positive squares in 10 ways, for example, as 939054736 + 106770889 = 30644^2 + 10333^2 .

It is not a de Polignac number, because 1045825625 - 2¹⁰ = 1045824601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56234 + ... + 72483.

Almost surely, 2^1045825625 is an apocalyptic number.

It is an amenable number.

1045825625 is a deficient number, since it is larger than the sum of its proper divisors (361576987).

1045825625 is an equidigital number, since it uses as much as digits as its factorization.

1045825625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128750 (or 128735 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 1045825625 is about 32339.2273408008. The cubic root of 1045825625 is about 1015.0476410780.

The spelling of 1045825625 in words is "one billion, forty-five million, eight hundred twenty-five thousand, six hundred twenty-five".