2734609 has 2 divisors, whose sum is σ = 2734610. Its totient is φ = 2734608.

The previous prime is 2734607. The next prime is 2734619. The reversal of 2734609 is 9064372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 1096209 = 1280^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 2734609 - 2¹ = 2734607 is a prime.

Together with 2734607, it forms a pair of twin primes.

2734609 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2734607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1367304 + 1367305.

It is an arithmetic number, because the mean of its divisors is an integer number (1367305).

2^2734609 is an apocalyptic number.

It is an amenable number.

2734609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2734609 is an equidigital number, since it uses as much as digits as its factorization.

2734609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2734609 is about 1653.6653228510. The cubic root of 2734609 is about 139.8401065715.

The spelling of 2734609 in words is "two million, seven hundred thirty-four thousand, six hundred nine".