810223593025 has 48 divisors (see below), whose sum is σ = 1261727994240. Its totient is φ = 501387609600.

The previous prime is 810223592939. The next prime is 810223593029. The reversal of 810223593025 is 520395322018.

It is a happy number.

It is not a de Polignac number, because 810223593025 - 2⁷ = 810223592897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (810223593029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1272390 + ... + 1799839.

It is an arithmetic number, because the mean of its divisors is an integer number (26285999880).

Almost surely, 2^810223593025 is an apocalyptic number.

It is an amenable number.

810223593025 is a deficient number, since it is larger than the sum of its proper divisors (451504401215).

810223593025 is a wasteful number, since it uses less digits than its factorization.

810223593025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072394 (or 3072389 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 810223593025 in words is "eight hundred ten billion, two hundred twenty-three million, five hundred ninety-three thousand, twenty-five".