2756497 has 2 divisors, whose sum is σ = 2756498. Its totient is φ = 2756496.

The previous prime is 2756491. The next prime is 2756519. The reversal of 2756497 is 7946572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 14161 = 1656^2 + 119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2756497 is a prime.

It is a super-2 number, since 2×2756497² = 15196551422018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2756491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378248 + 1378249.

It is an arithmetic number, because the mean of its divisors is an integer number (1378249).

2^2756497 is an apocalyptic number.

It is an amenable number.

2756497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2756497 is an equidigital number, since it uses as much as digits as its factorization.

2756497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 2756497 is about 1660.2701587392. The cubic root of 2756497 is about 140.2122121796.

The spelling of 2756497 in words is "two million, seven hundred fifty-six thousand, four hundred ninety-seven".