2746561 has 4 divisors (see below), whose sum is σ = 2841300. Its totient is φ = 2651824.

The previous prime is 2746543. The next prime is 2746577. The reversal of 2746561 is 1656472.

It is a happy number.

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 1547536 + 1199025 = 1244^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2746561 - 2⁵ = 2746529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2746511) 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, 47326 + ... + 47383.

It is an arithmetic number, because the mean of its divisors is an integer number (710325).

2^2746561 is an apocalyptic number.

It is an amenable number.

2746561 is a deficient number, since it is larger than the sum of its proper divisors (94739).

2746561 is an equidigital number, since it uses as much as digits as its factorization.

2746561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94738.

The product of its digits is 10080, while the sum is 31.

The square root of 2746561 is about 1657.2751732890. The cubic root of 2746561 is about 140.0435408789.

It can be divided in two parts, 27465 and 61, that multiplied together give a triangular number (1675365 = T₁₈₃₀).

The spelling of 2746561 in words is "two million, seven hundred forty-six thousand, five hundred sixty-one".