348628591 has 2 divisors, whose sum is σ = 348628592. Its totient is φ = 348628590.

The previous prime is 348628547. The next prime is 348628601. The reversal of 348628591 is 195826843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 348628591 - 2¹³ = 348620399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348658591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174314295 + 174314296.

It is an arithmetic number, because the mean of its divisors is an integer number (174314296).

Almost surely, 2^348628591 is an apocalyptic number.

348628591 is a deficient number, since it is larger than the sum of its proper divisors (1).

348628591 is an equidigital number, since it uses as much as digits as its factorization.

348628591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 46.

The square root of 348628591 is about 18671.5985121789. The cubic root of 348628591 is about 703.8082180068.

The spelling of 348628591 in words is "three hundred forty-eight million, six hundred twenty-eight thousand, five hundred ninety-one".