233525 has 6 divisors (see below), whose sum is σ = 289602. Its totient is φ = 186800.

The previous prime is 233509. The next prime is 233549. The reversal of 233525 is 525332.

233525 = 278² + 279² + 280².

It can be written as a sum of positive squares in 3 ways, for example, as 5041 + 228484 = 71^2 + 478^2 .

It is not a de Polignac number, because 233525 - 2⁴ = 233509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233497 and 233506.

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, 4646 + ... + 4695.

It is an arithmetic number, because the mean of its divisors is an integer number (48267).

2²³³⁵²⁵ is an apocalyptic number.

233525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233525 is a deficient number, since it is larger than the sum of its proper divisors (56077).

233525 is an equidigital number, since it uses as much as digits as its factorization.

233525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9351 (or 9346 counting only the distinct ones).

The product of its digits is 900, while the sum is 20.

The square root of 233525 is about 483.2442446631. The cubic root of 233525 is about 61.5806771631.

Adding to 233525 its reverse (525332), we get a palindrome (758857).

The spelling of 233525 in words is "two hundred thirty-three thousand, five hundred twenty-five".