10401309 has 6 divisors (see below), whose sum is σ = 15024126. Its totient is φ = 6934200.

The previous prime is 10401301. The next prime is 10401317. The reversal of 10401309 is 90310401.

It is an interprime number because it is at equal distance from previous prime (10401301) and next prime (10401317).

It can be written as a sum of positive squares in only one way, i.e., 8538084 + 1863225 = 2922^2 + 1365^2 .

It is not a de Polignac number, because 10401309 - 2³ = 10401301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10401291 and 10401300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401301) 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, 577842 + ... + 577859.

It is an arithmetic number, because the mean of its divisors is an integer number (2504021).

Almost surely, 2^10401309 is an apocalyptic number.

It is an amenable number.

10401309 is a deficient number, since it is larger than the sum of its proper divisors (4622817).

10401309 is a wasteful number, since it uses less digits than its factorization.

10401309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155707 (or 1155704 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10401309 is about 3225.1060447681. The cubic root of 10401309 is about 218.2877341337.

The spelling of 10401309 in words is "ten million, four hundred one thousand, three hundred nine".