6091409 has 2 divisors, whose sum is σ = 6091410. Its totient is φ = 6091408.

The previous prime is 6091391. The next prime is 6091433. The reversal of 6091409 is 9041906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 2650384 = 1855^2 + 1628^2 .

It is a cyclic number.

It is not a de Polignac number, because 6091409 - 2¹² = 6087313 is a prime.

It is not a weakly prime, because it can be changed into another prime (6091489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3045704 + 3045705.

It is an arithmetic number, because the mean of its divisors is an integer number (3045705).

Almost surely, 2^6091409 is an apocalyptic number.

It is an amenable number.

6091409 is a deficient number, since it is larger than the sum of its proper divisors (1).

6091409 is an equidigital number, since it uses as much as digits as its factorization.

6091409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 6091409 is about 2468.0779971468. The cubic root of 6091409 is about 182.6301967050.

The spelling of 6091409 in words is "six million, ninety-one thousand, four hundred nine".