349425563 has 2 divisors, whose sum is σ = 349425564. Its totient is φ = 349425562.

The previous prime is 349425539. The next prime is 349425617. The reversal of 349425563 is 365524943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349425563 - 2¹⁰ = 349424539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349425563.

It is not a weakly prime, because it can be changed into another prime (349425763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174712781 + 174712782.

It is an arithmetic number, because the mean of its divisors is an integer number (174712782).

Almost surely, 2^349425563 is an apocalyptic number.

349425563 is a deficient number, since it is larger than the sum of its proper divisors (1).

349425563 is an equidigital number, since it uses as much as digits as its factorization.

349425563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 41.

The square root of 349425563 is about 18692.9281547862. The cubic root of 349425563 is about 704.3441164560.

The spelling of 349425563 in words is "three hundred forty-nine million, four hundred twenty-five thousand, five hundred sixty-three".