232791775225 has 9 divisors (see below), whose sum is σ = 288664792717. Its totient is φ = 186231490240.

The previous prime is 232791775219. The next prime is 232791775253. The reversal of 232791775225 is 522577197232.

The square root of 232791775225 is 482485.

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

It can be written as a sum of positive squares in 4 ways, for example, as 101692745449 + 131099029776 = 318893^2 + 362076^2 .

It is not a de Polignac number, because 232791775225 - 2¹¹ = 232791773177 is a prime.

It is a super-2 number, since 2×232791775225² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2364177 + ... + 2460673.

Almost surely, 2^232791775225 is an apocalyptic number.

232791775225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

232791775225 is the 482485-th square number.

232791775225 is the 241243-rd centered octagonal number.

It is an amenable number.

232791775225 is a deficient number, since it is larger than the sum of its proper divisors (55873017492).

232791775225 is an frugal number, since it uses more digits than its factorization.

232791775225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193004 (or 96502 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 52.

It can be divided in two parts, 232791 and 775225, that added together give a square (1008016 = 1004²).

The spelling of 232791775225 in words is "two hundred thirty-two billion, seven hundred ninety-one million, seven hundred seventy-five thousand, two hundred twenty-five".