9003913 has 6 divisors (see below), whose sum is σ = 9255246. Its totient is φ = 8759232.

The previous prime is 9003901. The next prime is 9003959. The reversal of 9003913 is 3193009.

It can be written as a sum of positive squares in 3 ways, for example, as 7767369 + 1236544 = 2787^2 + 1112^2 .

It is not a de Polignac number, because 9003913 - 2²¹ = 6906761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9003613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1920 + ... + 4657.

It is an arithmetic number, because the mean of its divisors is an integer number (1542541).

Almost surely, 2^9003913 is an apocalyptic number.

It is an amenable number.

9003913 is a deficient number, since it is larger than the sum of its proper divisors (251333).

9003913 is an equidigital number, since it uses as much as digits as its factorization.

9003913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651 (or 6614 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 9003913 is about 3000.6520957952. The cubic root of 9003913 is about 208.0385237447.

The spelling of 9003913 in words is "nine million, three thousand, nine hundred thirteen".