231525452 has 12 divisors (see below), whose sum is σ = 422785776. Its totient is φ = 110729520.

The previous prime is 231525451. The next prime is 231525457. The reversal of 231525452 is 254525132.

231525452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231525451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258199 + ... + 1258382.

It is an arithmetic number, because the mean of its divisors is an integer number (35232148).

Almost surely, 2^231525452 is an apocalyptic number.

It is an amenable number.

231525452 is a deficient number, since it is larger than the sum of its proper divisors (191260324).

231525452 is a wasteful number, since it uses less digits than its factorization.

231525452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516608 (or 2516606 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 231525452 is about 15215.9604363313. The cubic root of 231525452 is about 614.0441246181.

The spelling of 231525452 in words is "two hundred thirty-one million, five hundred twenty-five thousand, four hundred fifty-two".