40052513 has 8 divisors (see below), whose sum is σ = 42340320. Its totient is φ = 37782720.

The previous prime is 40052489. The next prime is 40052521. The reversal of 40052513 is 31525004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40052513 - 2¹⁰ = 40051489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40082513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206 + ... + 8952.

It is an arithmetic number, because the mean of its divisors is an integer number (5292540).

Almost surely, 2^40052513 is an apocalyptic number.

It is an amenable number.

40052513 is a deficient number, since it is larger than the sum of its proper divisors (2287807).

40052513 is a wasteful number, since it uses less digits than its factorization.

40052513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 40052513 is about 6328.7054758458. The cubic root of 40052513 is about 342.1447838354.

Adding to 40052513 its reverse (31525004), we get a palindrome (71577517).

The spelling of 40052513 in words is "forty million, fifty-two thousand, five hundred thirteen".