2756249 has 2 divisors, whose sum is σ = 2756250. Its totient is φ = 2756248.

The previous prime is 2756219. The next prime is 2756267. The reversal of 2756249 is 9426572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 196249 = 1600^2 + 443^2 .

It is a cyclic number.

It is not a de Polignac number, because 2756249 - 2¹² = 2752153 is a prime.

It is a d-powerful number, because it can be written as 2 + 7² + 5⁹ + 6⁴ + 2¹³ + 4⁹ + 9⁶ .

It is not a weakly prime, because it can be changed into another prime (2756219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378124 + 1378125.

It is an arithmetic number, because the mean of its divisors is an integer number (1378125).

2^2756249 is an apocalyptic number.

It is an amenable number.

2756249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2756249 is an equidigital number, since it uses as much as digits as its factorization.

2756249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 2756249 is about 1660.1954704191. The cubic root of 2756249 is about 140.2080071237.

The spelling of 2756249 in words is "two million, seven hundred fifty-six thousand, two hundred forty-nine".