40252003 has 4 divisors (see below), whose sum is σ = 43911288. Its totient is φ = 36592720.

The previous prime is 40251989. The next prime is 40252019. The reversal of 40252003 is 30025204.

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 40252003 - 2¹⁷ = 40120931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40252033) 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, 1829626 + ... + 1829647.

It is an arithmetic number, because the mean of its divisors is an integer number (10977822).

Almost surely, 2^40252003 is an apocalyptic number.

40252003 is a deficient number, since it is larger than the sum of its proper divisors (3659285).

40252003 is a wasteful number, since it uses less digits than its factorization.

40252003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659284.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 40252003 is about 6344.4466267753. The cubic root of 40252003 is about 342.7118848049.

Adding to 40252003 its reverse (30025204), we get a palindrome (70277207).

The spelling of 40252003 in words is "forty million, two hundred fifty-two thousand, three".