349004653 has 2 divisors, whose sum is σ = 349004654. Its totient is φ = 349004652.

The previous prime is 349004651. The next prime is 349004659. The reversal of 349004653 is 356400943.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295392969 + 53611684 = 17187^2 + 7322^2 .

It is an emirp because it is prime and its reverse (356400943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349004653 - 2¹ = 349004651 is a prime.

Together with 349004651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349004651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174502326 + 174502327.

It is an arithmetic number, because the mean of its divisors is an integer number (174502327).

Almost surely, 2^349004653 is an apocalyptic number.

It is an amenable number.

349004653 is a deficient number, since it is larger than the sum of its proper divisors (1).

349004653 is an equidigital number, since it uses as much as digits as its factorization.

349004653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 349004653 is about 18681.6662265441. Note that the first 3 decimals coincide. The cubic root of 349004653 is about 704.0611905802.

The spelling of 349004653 in words is "three hundred forty-nine million, four thousand, six hundred fifty-three".