348564487 has 2 divisors, whose sum is σ = 348564488. Its totient is φ = 348564486.

The previous prime is 348564467. The next prime is 348564497. The reversal of 348564487 is 784465843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 348564487 - 2²³ = 340175879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 348564487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348564467) 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, 174282243 + 174282244.

It is an arithmetic number, because the mean of its divisors is an integer number (174282244).

Almost surely, 2^348564487 is an apocalyptic number.

348564487 is a deficient number, since it is larger than the sum of its proper divisors (1).

348564487 is an equidigital number, since it uses as much as digits as its factorization.

348564487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 49.

The square root of 348564487 is about 18669.8818153731. The cubic root of 348564487 is about 703.7650778392.

The spelling of 348564487 in words is "three hundred forty-eight million, five hundred sixty-four thousand, four hundred eighty-seven".