230405125 has 8 divisors (see below), whose sum is σ = 287545752. Its totient is φ = 184324000.

The previous prime is 230405081. The next prime is 230405141. The reversal of 230405125 is 521504032.

It can be written as a sum of positive squares in 4 ways, for example, as 367236 + 230037889 = 606^2 + 15167^2 .

It is not a de Polignac number, because 230405125 - 2⁷ = 230404997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230405096 and 230405105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921496 + ... + 921745.

It is an arithmetic number, because the mean of its divisors is an integer number (35943219).

Almost surely, 2^230405125 is an apocalyptic number.

230405125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230405125 is a deficient number, since it is larger than the sum of its proper divisors (57140627).

230405125 is an equidigital number, since it uses as much as digits as its factorization.

230405125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843256 (or 1843246 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 230405125 is about 15179.1015873799. The cubic root of 230405125 is about 613.0520914087.

Adding to 230405125 its reverse (521504032), we get a palindrome (751909157).

The spelling of 230405125 in words is "two hundred thirty million, four hundred five thousand, one hundred twenty-five".