1352616649 has 2 divisors, whose sum is σ = 1352616650. Its totient is φ = 1352616648.

The previous prime is 1352616641. The next prime is 1352616673. The reversal of 1352616649 is 9466162531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 892814400 + 459802249 = 29880^2 + 21443^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352616649 - 2³ = 1352616641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1352616641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676308324 + 676308325.

It is an arithmetic number, because the mean of its divisors is an integer number (676308325).

Almost surely, 2^1352616649 is an apocalyptic number.

It is an amenable number.

1352616649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352616649 is an equidigital number, since it uses as much as digits as its factorization.

1352616649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The square root of 1352616649 is about 36777.9369867316. The cubic root of 1352616649 is about 1105.9230492871.

The spelling of 1352616649 in words is "one billion, three hundred fifty-two million, six hundred sixteen thousand, six hundred forty-nine".