1654297349 has 2 divisors, whose sum is σ = 1654297350. Its totient is φ = 1654297348.

The previous prime is 1654297303. The next prime is 1654297409. The reversal of 1654297349 is 9437924561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1643734849 + 10562500 = 40543^2 + 3250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1654297349 - 2⁸ = 1654297093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1654297297 and 1654297306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1654297049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827148674 + 827148675.

It is an arithmetic number, because the mean of its divisors is an integer number (827148675).

Almost surely, 2^1654297349 is an apocalyptic number.

It is an amenable number.

1654297349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1654297349 is an equidigital number, since it uses as much as digits as its factorization.

1654297349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 1654297349 is about 40673.0543357639. The cubic root of 1654297349 is about 1182.6907258211.

The spelling of 1654297349 in words is "one billion, six hundred fifty-four million, two hundred ninety-seven thousand, three hundred forty-nine".