2749567 has 2 divisors, whose sum is σ = 2749568. Its totient is φ = 2749566.

The previous prime is 2749543. The next prime is 2749573. The reversal of 2749567 is 7659472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2749567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2749067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374783 + 1374784.

It is an arithmetic number, because the mean of its divisors is an integer number (1374784).

2^2749567 is an apocalyptic number.

2749567 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749567 is an equidigital number, since it uses as much as digits as its factorization.

2749567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 2749567 is about 1658.1818356260. The cubic root of 2749567 is about 140.0946129163.

It can be divided in two parts, 27 and 49567, that added together give a palindrome (49594).

The spelling of 2749567 in words is "two million, seven hundred forty-nine thousand, five hundred sixty-seven".