243622601 has 8 divisors (see below), whose sum is σ = 255550464. Its totient is φ = 231806080.

The previous prime is 243622567. The next prime is 243622627. The reversal of 243622601 is 106226342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243622601 - 2⁶ = 243622537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243622651) 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 in 7 ways as a sum of consecutive naturals, for example, 23336 + ... + 32121.

It is an arithmetic number, because the mean of its divisors is an integer number (31943808).

Almost surely, 2^243622601 is an apocalyptic number.

It is an amenable number.

243622601 is a deficient number, since it is larger than the sum of its proper divisors (11927863).

243622601 is a wasteful number, since it uses less digits than its factorization.

243622601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55671.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 243622601 is about 15608.4144294031. The cubic root of 243622601 is about 624.5576398352.

Adding to 243622601 its reverse (106226342), we get a palindrome (349848943).

The spelling of 243622601 in words is "two hundred forty-three million, six hundred twenty-two thousand, six hundred one".