2745291 has 8 divisors (see below), whose sum is σ = 3853120. Its totient is φ = 1733832.

The previous prime is 2745287. The next prime is 2745307. The reversal of 2745291 is 1925472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2745291 - 2² = 2745287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2745251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24025 + ... + 24138.

It is an arithmetic number, because the mean of its divisors is an integer number (481640).

2^2745291 is an apocalyptic number.

2745291 is a deficient number, since it is larger than the sum of its proper divisors (1107829).

2745291 is a wasteful number, since it uses less digits than its factorization.

2745291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48185.

The product of its digits is 5040, while the sum is 30.

The square root of 2745291 is about 1656.8919699244. The cubic root of 2745291 is about 140.0219523400.

It can be divided in two parts, 274 and 5291, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 2745291 in words is "two million, seven hundred forty-five thousand, two hundred ninety-one".