231200625 has 20 divisors (see below), whose sum is σ = 385214192. Its totient is φ = 123306000.

The previous prime is 231200621. The next prime is 231200647. The reversal of 231200625 is 526002132.

It is not a de Polignac number, because 231200625 - 2² = 231200621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231200621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59779 + ... + 63528.

Almost surely, 2^231200625 is an apocalyptic number.

231200625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231200625 is a deficient number, since it is larger than the sum of its proper divisors (154013567).

231200625 is an equidigital number, since it uses as much as digits as its factorization.

231200625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123330 (or 123315 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 231200625 is about 15205.2827990801. The cubic root of 231200625 is about 613.7568250852.

Adding to 231200625 its reverse (526002132), we get a palindrome (757202757).

The spelling of 231200625 in words is "two hundred thirty-one million, two hundred thousand, six hundred twenty-five".