2757241 has 4 divisors (see below), whose sum is σ = 2763684. Its totient is φ = 2750800.

The previous prime is 2757229. The next prime is 2757257. The reversal of 2757241 is 1427572.

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 385641 + 2371600 = 621^2 + 1540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2757241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2757211) 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, 2530 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (690921).

It is a Poulet number, since it divides 2^2757240-1.

2^2757241 is an apocalyptic number.

It is an amenable number.

2757241 is a deficient number, since it is larger than the sum of its proper divisors (6443).

2757241 is an equidigital number, since it uses as much as digits as its factorization.

2757241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6442.

The product of its digits is 3920, while the sum is 28.

The square root of 2757241 is about 1660.4942035430. The cubic root of 2757241 is about 140.2248258340.

The spelling of 2757241 in words is "two million, seven hundred fifty-seven thousand, two hundred forty-one".