40315003 has 4 divisors (see below), whose sum is σ = 40336920. Its totient is φ = 40293088.

The previous prime is 40315001. The next prime is 40315019. The reversal of 40315003 is 30051304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40315003 - 2¹ = 40315001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40315001) 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, 7918 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (10084230).

Almost surely, 2^40315003 is an apocalyptic number.

40315003 is a deficient number, since it is larger than the sum of its proper divisors (21917).

40315003 is a wasteful number, since it uses less digits than its factorization.

40315003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21916.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 40315003 is about 6349.4096575981. The cubic root of 40315003 is about 342.8905889082.

Adding to 40315003 its reverse (30051304), we get a palindrome (70366307).

The spelling of 40315003 in words is "forty million, three hundred fifteen thousand, three".