245049311 has 8 divisors (see below), whose sum is σ = 264876864. Its totient is φ = 225361440.

The previous prime is 245049241. The next prime is 245049313. The reversal of 245049311 is 113940542.

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 245049311 - 2²² = 240855007 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 (245049313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31256 + ... + 38301.

It is an arithmetic number, because the mean of its divisors is an integer number (33109608).

Almost surely, 2^245049311 is an apocalyptic number.

245049311 is a deficient number, since it is larger than the sum of its proper divisors (19827553).

245049311 is a wasteful number, since it uses less digits than its factorization.

245049311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69841.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 245049311 is about 15654.0509453624. The cubic root of 245049311 is about 625.7744520155.

Adding to 245049311 its reverse (113940542), we get a palindrome (358989853).

The spelling of 245049311 in words is "two hundred forty-five million, forty-nine thousand, three hundred eleven".