10403513 has 2 divisors, whose sum is σ = 10403514. Its totient is φ = 10403512.

The previous prime is 10403509. The next prime is 10403537. The reversal of 10403513 is 31530401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8479744 + 1923769 = 2912^2 + 1387^2 .

It is a cyclic number.

It is not a de Polignac number, because 10403513 - 2² = 10403509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10403491 and 10403500.

It is not a weakly prime, because it can be changed into another prime (10403573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201756 + 5201757.

It is an arithmetic number, because the mean of its divisors is an integer number (5201757).

Almost surely, 2^10403513 is an apocalyptic number.

It is an amenable number.

10403513 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403513 is an equidigital number, since it uses as much as digits as its factorization.

10403513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 10403513 is about 3225.4477208598. The cubic root of 10403513 is about 218.3031511736.

Adding to 10403513 its reverse (31530401), we get a palindrome (41933914).

The spelling of 10403513 in words is "ten million, four hundred three thousand, five hundred thirteen".