210401042603 has 2 divisors, whose sum is σ = 210401042604. Its totient is φ = 210401042602.

The previous prime is 210401042567. The next prime is 210401042611. The reversal of 210401042603 is 306240104012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210401042603 - 2²⁸ = 210132607147 is a prime.

It is not a weakly prime, because it can be changed into another prime (210401042903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105200521301 + 105200521302.

It is an arithmetic number, because the mean of its divisors is an integer number (105200521302).

Almost surely, 2^210401042603 is an apocalyptic number.

210401042603 is a deficient number, since it is larger than the sum of its proper divisors (1).

210401042603 is an equidigital number, since it uses as much as digits as its factorization.

210401042603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 210401042603 its reverse (306240104012), we get a palindrome (516641146615).

The spelling of 210401042603 in words is "two hundred ten billion, four hundred one million, forty-two thousand, six hundred three".