2541434309 has 2 divisors, whose sum is σ = 2541434310. Its totient is φ = 2541434308.

The previous prime is 2541434251. The next prime is 2541434327. The reversal of 2541434309 is 9034341452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2467903684 + 73530625 = 49678^2 + 8575^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541434309 - 2²⁰ = 2540385733 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2541434369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270717154 + 1270717155.

It is an arithmetic number, because the mean of its divisors is an integer number (1270717155).

Almost surely, 2^2541434309 is an apocalyptic number.

It is an amenable number.

2541434309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541434309 is an equidigital number, since it uses as much as digits as its factorization.

2541434309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2541434309 is about 50412.6403692566. The cubic root of 2541434309 is about 1364.6657634958.

The spelling of 2541434309 in words is "two billion, five hundred forty-one million, four hundred thirty-four thousand, three hundred nine".