40233513 has 4 divisors (see below), whose sum is σ = 53644688. Its totient is φ = 26822340.

The previous prime is 40233493. The next prime is 40233517. The reversal of 40233513 is 31533204.

40233513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 40233513 - 2⁶ = 40233449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40233513.

It is not an unprimeable number, because it can be changed into a prime (40233517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6705583 + ... + 6705588.

It is an arithmetic number, because the mean of its divisors is an integer number (13411172).

Almost surely, 2^40233513 is an apocalyptic number.

It is an amenable number.

40233513 is a deficient number, since it is larger than the sum of its proper divisors (13411175).

40233513 is a wasteful number, since it uses less digits than its factorization.

40233513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13411174.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 40233513 is about 6342.9892795117. The cubic root of 40233513 is about 342.6594011785.

Adding to 40233513 its reverse (31533204), we get a palindrome (71766717).

The spelling of 40233513 in words is "forty million, two hundred thirty-three thousand, five hundred thirteen".