342617563 has 4 divisors (see below), whose sum is σ = 343061568. Its totient is φ = 342173560.

The previous prime is 342617551. The next prime is 342617567. The reversal of 342617563 is 365716243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342617563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342617567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220843 + ... + 222388.

It is an arithmetic number, because the mean of its divisors is an integer number (85765392).

Almost surely, 2^342617563 is an apocalyptic number.

342617563 is a deficient number, since it is larger than the sum of its proper divisors (444005).

342617563 is an equidigital number, since it uses as much as digits as its factorization.

342617563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444004.

The product of its digits is 90720, while the sum is 37.

The square root of 342617563 is about 18509.9314693491. The cubic root of 342617563 is about 699.7397420243.

The spelling of 342617563 in words is "three hundred forty-two million, six hundred seventeen thousand, five hundred sixty-three".