231600425 has 12 divisors (see below), whose sum is σ = 328211136. Its totient is φ = 158811600.

The previous prime is 231600419. The next prime is 231600437. The reversal of 231600425 is 524006132.

It is not a de Polignac number, because 231600425 - 2⁸ = 231600169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 231600425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 661541 + ... + 661890.

It is an arithmetic number, because the mean of its divisors is an integer number (27350928).

Almost surely, 2^231600425 is an apocalyptic number.

231600425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231600425 is a deficient number, since it is larger than the sum of its proper divisors (96610711).

231600425 is a wasteful number, since it uses less digits than its factorization.

231600425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323448 (or 1323443 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 231600425 is about 15218.4238671421. The cubic root of 231600425 is about 614.1103977664.

Adding to 231600425 its reverse (524006132), we get a palindrome (755606557).

The spelling of 231600425 in words is "two hundred thirty-one million, six hundred thousand, four hundred twenty-five".