230643025 has 12 divisors (see below), whose sum is σ = 287191564. Its totient is φ = 183744000.

The previous prime is 230642981. The next prime is 230643031. The reversal of 230643025 is 520346032.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 20277009 + 210366016 = 4503^2 + 14504^2 .

It is not a de Polignac number, because 230643025 - 2⁷ = 230642897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13116 + ... + 25165.

Almost surely, 2^230643025 is an apocalyptic number.

230643025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230643025 is a deficient number, since it is larger than the sum of its proper divisors (56548539).

230643025 is a wasteful number, since it uses less digits than its factorization.

230643025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38532 (or 38527 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 230643025 is about 15186.9359977581. The cubic root of 230643025 is about 613.2630168745.

Adding to 230643025 its reverse (520346032), we get a palindrome (750989057).

The spelling of 230643025 in words is "two hundred thirty million, six hundred forty-three thousand, twenty-five".