230440625 has 24 divisors (see below), whose sum is σ = 295965432. Its totient is φ = 179280000.

The previous prime is 230440621. The next prime is 230440643. The reversal of 230440625 is 526044032.

It can be written as a sum of positive squares in 12 ways, for example, as 197767969 + 32672656 = 14063^2 + 5716^2 .

It is not a de Polignac number, because 230440625 - 2² = 230440621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230440594 and 230440603.

It is not an unprimeable number, because it can be changed into a prime (230440621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114629 + ... + 116621.

It is an arithmetic number, because the mean of its divisors is an integer number (12331893).

Almost surely, 2^230440625 is an apocalyptic number.

230440625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230440625 is a deficient number, since it is larger than the sum of its proper divisors (65524807).

230440625 is an frugal number, since it uses more digits than its factorization.

230440625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 230440625 is about 15180.2709132611. The cubic root of 230440625 is about 613.0835754185.

Adding to 230440625 its reverse (526044032), we get a palindrome (756484657).

The spelling of 230440625 in words is "two hundred thirty million, four hundred forty thousand, six hundred twenty-five".