2757563 has 2 divisors, whose sum is σ = 2757564. Its totient is φ = 2757562.

The previous prime is 2757541. The next prime is 2757577. The reversal of 2757563 is 3657572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2757563 - 2¹² = 2753467 is a prime.

It is a d-powerful number, because it can be written as 2¹⁸ + 7⁷ + 5⁴ + 7⁷ + 5⁸ + 6⁷ + 3¹¹ .

It is not a weakly prime, because it can be changed into another prime (2757533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378781 + 1378782.

It is an arithmetic number, because the mean of its divisors is an integer number (1378782).

2^2757563 is an apocalyptic number.

2757563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2757563 is an equidigital number, since it uses as much as digits as its factorization.

2757563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 35.

The square root of 2757563 is about 1660.5911597982. The cubic root of 2757563 is about 140.2302842659.

Subtracting 2757563 from its reverse (3657572), we obtain a palindrome (900009).

The spelling of 2757563 in words is "two million, seven hundred fifty-seven thousand, five hundred sixty-three".