40202003 has 2 divisors, whose sum is σ = 40202004. Its totient is φ = 40202002.

The previous prime is 40201981. The next prime is 40202021. The reversal of 40202003 is 30020204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40202003 - 2¹² = 40197907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40202083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20101001 + 20101002.

It is an arithmetic number, because the mean of its divisors is an integer number (20101002).

Almost surely, 2^40202003 is an apocalyptic number.

40202003 is a deficient number, since it is larger than the sum of its proper divisors (1).

40202003 is an equidigital number, since it uses as much as digits as its factorization.

40202003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 40202003 is about 6340.5049483460. The cubic root of 40202003 is about 342.5699233869.

Adding to 40202003 its reverse (30020204), we get a palindrome (70222207).

The spelling of 40202003 in words is "forty million, two hundred two thousand, three".