810950025 has 12 divisors (see below), whose sum is σ = 1340770832. Its totient is φ = 432506640.

The previous prime is 810949969. The next prime is 810950027. The reversal of 810950025 is 520059018.

It is not a de Polignac number, because 810950025 - 2⁶ = 810949961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 810949974 and 810950001.

It is not an unprimeable number, because it can be changed into a prime (810950027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5406259 + ... + 5406408.

Almost surely, 2^810950025 is an apocalyptic number.

It is an amenable number.

810950025 is a deficient number, since it is larger than the sum of its proper divisors (529820807).

810950025 is a wasteful number, since it uses less digits than its factorization.

810950025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10812680 (or 10812675 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 810950025 is about 28477.1842884791. The cubic root of 810950025 is about 932.5340474934.

The spelling of 810950025 in words is "eight hundred ten million, nine hundred fifty thousand, twenty-five".