232143525 has 36 divisors (see below), whose sum is σ = 417482208. Its totient is φ = 123307680.

The previous prime is 232143493. The next prime is 232143529. The reversal of 232143525 is 525341232.

It is a happy number.

It is not a de Polignac number, because 232143525 - 2⁵ = 232143493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232143529) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57214 + ... + 61136.

It is an arithmetic number, because the mean of its divisors is an integer number (11596728).

Almost surely, 2^232143525 is an apocalyptic number.

232143525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232143525 is a deficient number, since it is larger than the sum of its proper divisors (185338683).

232143525 is a wasteful number, since it uses less digits than its factorization.

232143525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202 (or 4194 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 232143525 is about 15236.2569222234. The cubic root of 232143525 is about 614.5900500144.

Adding to 232143525 its reverse (525341232), we get a palindrome (757484757).

The spelling of 232143525 in words is "two hundred thirty-two million, one hundred forty-three thousand, five hundred twenty-five".