231210025 has 12 divisors (see below), whose sum is σ = 287227152. Its totient is φ = 184628240.

The previous prime is 231210019. The next prime is 231210041. The reversal of 231210025 is 520012132.

It is not a de Polignac number, because 231210025 - 2³ = 231210017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231209990 and 231210008.

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, 5862 + ... + 22288.

It is an arithmetic number, because the mean of its divisors is an integer number (23935596).

Almost surely, 2^231210025 is an apocalyptic number.

231210025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231210025 is a deficient number, since it is larger than the sum of its proper divisors (56017127).

231210025 is a wasteful number, since it uses less digits than its factorization.

231210025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17000 (or 16995 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 231210025 is about 15205.5918990350. The cubic root of 231210025 is about 613.7651428770.

Adding to 231210025 its reverse (520012132), we get a palindrome (751222157).

The spelling of 231210025 in words is "two hundred thirty-one million, two hundred ten thousand, twenty-five".