232540037 has 4 divisors (see below), whose sum is σ = 232581120. Its totient is φ = 232498956.

The previous prime is 232540013. The next prime is 232540043. The reversal of 232540037 is 730045232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232540037 is a prime.

It is a super-2 number, since 2×232540037² = 108149737615922738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232539988 and 232540015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232540837) 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, 10373 + ... + 23930.

It is an arithmetic number, because the mean of its divisors is an integer number (58145280).

Almost surely, 2^232540037 is an apocalyptic number.

It is an amenable number.

232540037 is a deficient number, since it is larger than the sum of its proper divisors (41083).

232540037 is an equidigital number, since it uses as much as digits as its factorization.

232540037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41082.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 232540037 is about 15249.2634904116. The cubic root of 232540037 is about 614.9397671638.

Adding to 232540037 its reverse (730045232), we get a palindrome (962585269).

The spelling of 232540037 in words is "two hundred thirty-two million, five hundred forty thousand, thirty-seven".