245606559 has 16 divisors (see below), whose sum is σ = 376049280. Its totient is φ = 141017760.

The previous prime is 245606551. The next prime is 245606567. The reversal of 245606559 is 955606542.

It is an interprime number because it is at equal distance from previous prime (245606551) and next prime (245606567).

It is not a de Polignac number, because 245606559 - 2³ = 245606551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245606559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245606551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195232 + ... + 196485.

It is an arithmetic number, because the mean of its divisors is an integer number (23503080).

Almost surely, 2^245606559 is an apocalyptic number.

245606559 is a deficient number, since it is larger than the sum of its proper divisors (130442721).

245606559 is a wasteful number, since it uses less digits than its factorization.

245606559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391750.

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 245606559 is about 15671.8396814158. The cubic root of 245606559 is about 626.2484349426.

The spelling of 245606559 in words is "two hundred forty-five million, six hundred six thousand, five hundred fifty-nine".