231270925 has 6 divisors (see below), whose sum is σ = 286775978. Its totient is φ = 185016720.

The previous prime is 231270917. The next prime is 231270953. The reversal of 231270925 is 529072132.

231270925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3200521 + 228070404 = 1789^2 + 15102^2 .

It is not a de Polignac number, because 231270925 - 2³ = 231270917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4625394 + ... + 4625443.

Almost surely, 2^231270925 is an apocalyptic number.

231270925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231270925 is a deficient number, since it is larger than the sum of its proper divisors (55505053).

231270925 is an equidigital number, since it uses as much as digits as its factorization.

231270925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9250847 (or 9250842 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 231270925 is about 15207.5943199442. The cubic root of 231270925 is about 613.8190260883.

It can be divided in two parts, 2312 and 70925, that added together give a palindrome (73237).

The spelling of 231270925 in words is "two hundred thirty-one million, two hundred seventy thousand, nine hundred twenty-five".