2754649 has 2 divisors, whose sum is σ = 2754650. Its totient is φ = 2754648.

The previous prime is 2754617. The next prime is 2754673. The reversal of 2754649 is 9464572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2082249 + 672400 = 1443^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 2754649 - 2⁵ = 2754617 is a prime.

It is a super-2 number, since 2×2754649² = 15176182226402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2754049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377324 + 1377325.

It is an arithmetic number, because the mean of its divisors is an integer number (1377325).

2^2754649 is an apocalyptic number.

It is an amenable number.

2754649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2754649 is an equidigital number, since it uses as much as digits as its factorization.

2754649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 2754649 is about 1659.7135294984. The cubic root of 2754649 is about 140.1808716661.

It can be divided in two parts, 2754 and 649, that added together give a triangular number (3403 = T₈₂).

The spelling of 2754649 in words is "two million, seven hundred fifty-four thousand, six hundred forty-nine".