2757245 has 8 divisors (see below), whose sum is σ = 3331800. Its totient is φ = 2190400.

The previous prime is 2757229. The next prime is 2757257. The reversal of 2757245 is 5427572.

2757245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8281 + 2748964 = 91^2 + 1658^2 .

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

It is not a de Polignac number, because 2757245 - 2⁴ = 2757229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106 + ... + 2595.

It is an arithmetic number, because the mean of its divisors is an integer number (416475).

2^2757245 is an apocalyptic number.

It is an amenable number.

2757245 is a deficient number, since it is larger than the sum of its proper divisors (574555).

2757245 is a wasteful number, since it uses less digits than its factorization.

2757245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855.

The product of its digits is 19600, while the sum is 32.

The square root of 2757245 is about 1660.4954080033. The cubic root of 2757245 is about 140.2248936432.

The spelling of 2757245 in words is "two million, seven hundred fifty-seven thousand, two hundred forty-five".