10313509 has 8 divisors (see below), whose sum is σ = 11187288. Its totient is φ = 9469440.

The previous prime is 10313503. The next prime is 10313519. The reversal of 10313509 is 90531301.

It can be written as a sum of positive squares in 4 ways, for example, as 372100 + 9941409 = 610^2 + 3153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10313509 - 2⁵ = 10313477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10313509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10313503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6702 + ... + 8095.

It is an arithmetic number, because the mean of its divisors is an integer number (1398411).

Almost surely, 2^10313509 is an apocalyptic number.

It is an amenable number.

10313509 is a deficient number, since it is larger than the sum of its proper divisors (873779).

10313509 is a wasteful number, since it uses less digits than its factorization.

10313509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14855.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 10313509 is about 3211.4652419106. The cubic root of 10313509 is about 217.6717909949.

The spelling of 10313509 in words is "ten million, three hundred thirteen thousand, five hundred nine".