403605013 has 16 divisors (see below), whose sum is σ = 476380800. Its totient is φ = 341755008.

The previous prime is 403605001. The next prime is 403605029. The reversal of 403605013 is 310506304.

It is a de Polignac number, because none of the positive numbers 2^k-403605013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403605053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21381 + ... + 35557.

It is an arithmetic number, because the mean of its divisors is an integer number (29773800).

Almost surely, 2^403605013 is an apocalyptic number.

It is an amenable number.

403605013 is a deficient number, since it is larger than the sum of its proper divisors (72775787).

403605013 is an equidigital number, since it uses as much as digits as its factorization.

403605013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14281 (or 14267 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 403605013 is about 20089.9231705848. The cubic root of 403605013 is about 739.0131799942.

The spelling of 403605013 in words is "four hundred three million, six hundred five thousand, thirteen".