2745601 has 4 divisors (see below), whose sum is σ = 2770900. Its totient is φ = 2720304.

The previous prime is 2745581. The next prime is 2745607. The reversal of 2745601 is 1065472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2356225 + 389376 = 1535^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745601 - 2⁵ = 2745569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2745607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12486 + ... + 12703.

It is an arithmetic number, because the mean of its divisors is an integer number (692725).

2^2745601 is an apocalyptic number.

It is an amenable number.

2745601 is a deficient number, since it is larger than the sum of its proper divisors (25299).

2745601 is a wasteful number, since it uses less digits than its factorization.

2745601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25298.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2745601 is about 1656.9855159295. The cubic root of 2745601 is about 140.0272225975.

The spelling of 2745601 in words is "two million, seven hundred forty-five thousand, six hundred one".