2741509 has 2 divisors, whose sum is σ = 2741510. Its totient is φ = 2741508.

The previous prime is 2741489. The next prime is 2741513. The reversal of 2741509 is 9051472.

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., 2712609 + 28900 = 1647^2 + 170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2741509 is a prime.

It is equal to p₁₉₉₄₂₃ and since 2741509 and 199423 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2741579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370754 + 1370755.

It is an arithmetic number, because the mean of its divisors is an integer number (1370755).

2^2741509 is an apocalyptic number.

It is an amenable number.

2741509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2741509 is an equidigital number, since it uses as much as digits as its factorization.

2741509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2741509 is about 1655.7502831043. The cubic root of 2741509 is about 139.9576232286.

The spelling of 2741509 in words is "two million, seven hundred forty-one thousand, five hundred nine".