245552289 has 8 divisors (see below), whose sum is σ = 328048320. Its totient is φ = 163378896.

The previous prime is 245552273. The next prime is 245552323. The reversal of 245552289 is 982255542.

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

It is not a de Polignac number, because 245552289 - 2⁴ = 245552273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245552289.

It is not an unprimeable number, because it can be changed into a prime (245552089) 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, 78877 + ... + 81930.

It is an arithmetic number, because the mean of its divisors is an integer number (41006040).

Almost surely, 2^245552289 is an apocalyptic number.

It is an amenable number.

245552289 is a deficient number, since it is larger than the sum of its proper divisors (82496031).

245552289 is a wasteful number, since it uses less digits than its factorization.

245552289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161319.

The product of its digits is 288000, while the sum is 42.

The square root of 245552289 is about 15670.1081361936. The cubic root of 245552289 is about 626.2023056016.

The spelling of 245552289 in words is "two hundred forty-five million, five hundred fifty-two thousand, two hundred eighty-nine".