4812890625 has 81 divisors (see below), whose sum is σ = 8931147771. Its totient is φ = 2497500000.

The previous prime is 4812890617. The next prime is 4812890629. The reversal of 4812890625 is 5260982184.

The square root of 4812890625 is 69375.

It is a perfect power (a square), and thus also a powerful number.

4812890625 is a `hidden beast` number, since 4 + 8 + 12 + 8 + 9 + 0 + 625 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 1869611121 + 2943279504 = 43239^2 + 54252^2 .

It is not a de Polignac number, because 4812890625 - 2³ = 4812890617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4812890629) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 130078107 + ... + 130078143.

Almost surely, 2^4812890625 is an apocalyptic number.

4812890625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4812890625 is the 69375-th square number.

4812890625 is the 34688-th centered octagonal number.

It is an amenable number.

4812890625 is a deficient number, since it is larger than the sum of its proper divisors (4118257146).

4812890625 is an frugal number, since it uses more digits than its factorization.

4812890625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The cubic root of 4812890625 is about 1688.3740328173.

The spelling of 4812890625 in words is "four billion, eight hundred twelve million, eight hundred ninety thousand, six hundred twenty-five".