2040401003 has 2 divisors, whose sum is σ = 2040401004. Its totient is φ = 2040401002.

The previous prime is 2040400987. The next prime is 2040401009. The reversal of 2040401003 is 3001040402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2040401003 - 2⁴ = 2040400987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040401009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020200501 + 1020200502.

It is an arithmetic number, because the mean of its divisors is an integer number (1020200502).

Almost surely, 2^2040401003 is an apocalyptic number.

2040401003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040401003 is an equidigital number, since it uses as much as digits as its factorization.

2040401003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2040401003 is about 45170.7981222382. The cubic root of 2040401003 is about 1268.3482366336.

Adding to 2040401003 its reverse (3001040402), we get a palindrome (5041441405).

The spelling of 2040401003 in words is "two billion, forty million, four hundred one thousand, three".