810063001225 has 9 divisors (see below), whose sum is σ = 1004483701767. Its totient is φ = 648046800840.

The previous prime is 810063001151. The next prime is 810063001261. The reversal of 810063001225 is 522100360018.

The square root of 810063001225 is 900035.

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

810063001225 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 only one way, i.e., 291622680441 + 518440320784 = 540021^2 + 720028^2 .

It is not a de Polignac number, because 810063001225 - 2²¹ = 810060904073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 810063001193 and 810063001202.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4410172 + ... + 4590178.

Almost surely, 2^810063001225 is an apocalyptic number.

810063001225 is the 900035-th square number.

810063001225 is the 450018-th centered octagonal number.

It is an amenable number.

810063001225 is a deficient number, since it is larger than the sum of its proper divisors (194420700542).

810063001225 is an frugal number, since it uses more digits than its factorization.

810063001225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360024 (or 180012 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 810063001225 in words is "eight hundred ten billion, sixty-three million, one thousand, two hundred twenty-five".