812448025 has 24 divisors (see below), whose sum is σ = 1025041784. Its totient is φ = 638668800.

The previous prime is 812448017. The next prime is 812448047. The reversal of 812448025 is 520844218.

812448025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 103876864 + 708571161 = 10192^2 + 26619^2 .

It is not a de Polignac number, because 812448025 - 2³ = 812448017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 614365 + ... + 615685.

Almost surely, 2^812448025 is an apocalyptic number.

It is an amenable number.

812448025 is a deficient number, since it is larger than the sum of its proper divisors (212593759).

812448025 is a wasteful number, since it uses less digits than its factorization.

812448025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1736 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 812448025 is about 28503.4739110867. The cubic root of 812448025 is about 933.1078916244.

The spelling of 812448025 in words is "eight hundred twelve million, four hundred forty-eight thousand, twenty-five".