233540532 has 36 divisors (see below), whose sum is σ = 593975200. Its totient is φ = 77367312.

The previous prime is 233540521. The next prime is 233540561. The reversal of 233540532 is 235045332.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 233540496 and 233540505.

It is a congruent number.

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, 14032 + ... + 25767.

Almost surely, 2^233540532 is an apocalyptic number.

It is an amenable number.

233540532 is an abundant number, since it is smaller than the sum of its proper divisors (360434668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233540532 is a wasteful number, since it uses less digits than its factorization.

233540532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39972 (or 39967 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 233540532 is about 15282.0329799409. The cubic root of 233540532 is about 615.8204239862.

Adding to 233540532 its reverse (235045332), we get a palindrome (468585864).

The spelling of 233540532 in words is "two hundred thirty-three million, five hundred forty thousand, five hundred thirty-two".