2649307 has 2 divisors, whose sum is σ = 2649308. Its totient is φ = 2649306.

The previous prime is 2649299. The next prime is 2649319. The reversal of 2649307 is 7039462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2649307 - 2³ = 2649299 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁸ + 4⁹ + 9⁴ + 3¹⁰ + 0 + 7⁶ .

It is not a weakly prime, because it can be changed into another prime (2649397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324653 + 1324654.

It is an arithmetic number, because the mean of its divisors is an integer number (1324654).

2^2649307 is an apocalyptic number.

2649307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649307 is an equidigital number, since it uses as much as digits as its factorization.

2649307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2649307 is about 1627.6691924344. The cubic root of 2649307 is about 138.3706865145.

The spelling of 2649307 in words is "two million, six hundred forty-nine thousand, three hundred seven".