245056549 has 8 divisors (see below), whose sum is σ = 252443520. Its totient is φ = 237736800.

The previous prime is 245056531. The next prime is 245056561. The reversal of 245056549 is 945650542.

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 245056549 - 2⁵ = 245056517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245056349) 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, 9357 + ... + 24034.

It is an arithmetic number, because the mean of its divisors is an integer number (31555440).

Almost surely, 2^245056549 is an apocalyptic number.

It is an amenable number.

245056549 is a deficient number, since it is larger than the sum of its proper divisors (7386971).

245056549 is a wasteful number, since it uses less digits than its factorization.

245056549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33611.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 245056549 is about 15654.2821298199. The cubic root of 245056549 is about 625.7806131032.

The spelling of 245056549 in words is "two hundred forty-five million, fifty-six thousand, five hundred forty-nine".