5311409 has 2 divisors, whose sum is σ = 5311410. Its totient is φ = 5311408.

The previous prime is 5311391. The next prime is 5311417. The reversal of 5311409 is 9041135.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3621409 + 1690000 = 1903^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 5311409 - 2¹⁶ = 5245873 is a prime.

It is a super-2 number, since 2×5311409² = 56422131130562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5311499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2655704 + 2655705.

It is an arithmetic number, because the mean of its divisors is an integer number (2655705).

Almost surely, 2^5311409 is an apocalyptic number.

It is an amenable number.

5311409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5311409 is an equidigital number, since it uses as much as digits as its factorization.

5311409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 5311409 is about 2304.6494310415. The cubic root of 5311409 is about 174.4763557754.

The spelling of 5311409 in words is "five million, three hundred eleven thousand, four hundred nine".