3133409 has 4 divisors (see below), whose sum is σ = 3137220. Its totient is φ = 3129600.

The previous prime is 3133399. The next prime is 3133411. The reversal of 3133409 is 9043313.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 483025 + 2650384 = 695^2 + 1628^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133409 - 2⁸ = 3133153 is a prime.

It is a super-2 number, since 2×3133409² = 19636503922562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3133439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104 + ... + 2505.

It is an arithmetic number, because the mean of its divisors is an integer number (784305).

Almost surely, 2^3133409 is an apocalyptic number.

It is an amenable number.

3133409 is a deficient number, since it is larger than the sum of its proper divisors (3811).

3133409 is a wasteful number, since it uses less digits than its factorization.

3133409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3133409 is about 1770.1437794710. The cubic root of 3133409 is about 146.3319058096.

The spelling of 3133409 in words is "three million, one hundred thirty-three thousand, four hundred nine".