348464621 has 2 divisors, whose sum is σ = 348464622. Its totient is φ = 348464620.

The previous prime is 348464603. The next prime is 348464713. The reversal of 348464621 is 126464843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201327721 + 147136900 = 14189^2 + 12130^2 .

It is an emirp because it is prime and its reverse (126464843) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348464621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348460621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174232310 + 174232311.

It is an arithmetic number, because the mean of its divisors is an integer number (174232311).

Almost surely, 2^348464621 is an apocalyptic number.

It is an amenable number.

348464621 is a deficient number, since it is larger than the sum of its proper divisors (1).

348464621 is an equidigital number, since it uses as much as digits as its factorization.

348464621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 38.

The square root of 348464621 is about 18667.2071022957. The cubic root of 348464621 is about 703.6978603237.

The spelling of 348464621 in words is "three hundred forty-eight million, four hundred sixty-four thousand, six hundred twenty-one".