245562289 has 8 divisors (see below), whose sum is σ = 295413440. Its totient is φ = 199403856.

The previous prime is 245562277. The next prime is 245562319. The reversal of 245562289 is 982265542.

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 245562289 - 2²¹ = 243465137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245562259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923034 + ... + 923299.

It is an arithmetic number, because the mean of its divisors is an integer number (36926680).

Almost surely, 2^245562289 is an apocalyptic number.

It is an amenable number.

245562289 is a deficient number, since it is larger than the sum of its proper divisors (49851151).

245562289 is a wasteful number, since it uses less digits than its factorization.

245562289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846359.

The product of its digits is 345600, while the sum is 43.

The square root of 245562289 is about 15670.4272117897. The cubic root of 245562289 is about 626.2108060831.

The spelling of 245562289 in words is "two hundred forty-five million, five hundred sixty-two thousand, two hundred eighty-nine".