801732206025 has 27 divisors (see below), whose sum is σ = 1436015519029. Its totient is φ = 427583346720.

The previous prime is 801732205997. The next prime is 801732206057. The reversal of 801732206025 is 520602237108.

The square root of 801732206025 is 895395.

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

801732206025 is a `hidden beast` number, since 8 + 0 + 17 + 32 + 2 + 0 + 602 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 426394634121 + 375337571904 = 652989^2 + 612648^2 .

It is not a de Polignac number, because 801732206025 - 2¹⁵ = 801732173257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13401079 + ... + 13460771.

Almost surely, 2^801732206025 is an apocalyptic number.

801732206025 is the 895395-th square number.

801732206025 is the 447698-th centered octagonal number.

It is an amenable number.

801732206025 is a deficient number, since it is larger than the sum of its proper divisors (634283313004).

801732206025 is an frugal number, since it uses more digits than its factorization.

801732206025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119402 (or 59701 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Multiplying 801732206025 by its sum of digits (36), we get a square (28862359416900 = 5372370²).

The spelling of 801732206025 in words is "eight hundred one billion, seven hundred thirty-two million, two hundred six thousand, twenty-five".