2649473 has 2 divisors, whose sum is σ = 2649474. Its totient is φ = 2649472.

The previous prime is 2649431. The next prime is 2649481. The reversal of 2649473 is 3749462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2053489 + 595984 = 1433^2 + 772^2 .

It is a cyclic number.

It is not a de Polignac number, because 2649473 - 2⁸ = 2649217 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 6² + 4⁶ + 9 + 4¹⁰ + 7⁴ + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (2649403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324736 + 1324737.

It is an arithmetic number, because the mean of its divisors is an integer number (1324737).

2^2649473 is an apocalyptic number.

It is an amenable number.

2649473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649473 is an equidigital number, since it uses as much as digits as its factorization.

2649473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 2649473 is about 1627.7201847984. The cubic root of 2649473 is about 138.3735764595.

The spelling of 2649473 in words is "two million, six hundred forty-nine thousand, four hundred seventy-three".