40052013 has 4 divisors (see below), whose sum is σ = 53402688. Its totient is φ = 26701340.

The previous prime is 40052011. The next prime is 40052021. The reversal of 40052013 is 31025004.

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 not a de Polignac number, because 40052013 - 2¹ = 40052011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40051983 and 40052001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40052011) 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, 6675333 + ... + 6675338.

It is an arithmetic number, because the mean of its divisors is an integer number (13350672).

Almost surely, 2^40052013 is an apocalyptic number.

It is an amenable number.

40052013 is a deficient number, since it is larger than the sum of its proper divisors (13350675).

40052013 is a wasteful number, since it uses less digits than its factorization.

40052013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13350674.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40052013 is about 6328.6659731732. The cubic root of 40052013 is about 342.1433600954.

Adding to 40052013 its reverse (31025004), we get a palindrome (71077017).

The spelling of 40052013 in words is "forty million, fifty-two thousand, thirteen".