245791227 has 16 divisors (see below), whose sum is σ = 363576960. Its totient is φ = 146438400.

The previous prime is 245791223. The next prime is 245791229. The reversal of 245791227 is 722197542.

It is not a de Polignac number, because 245791227 - 2² = 245791223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245791223) 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 15 ways as a sum of consecutive naturals, for example, 61174 + ... + 65067.

It is an arithmetic number, because the mean of its divisors is an integer number (22723560).

Almost surely, 2^245791227 is an apocalyptic number.

245791227 is a deficient number, since it is larger than the sum of its proper divisors (117785733).

245791227 is a wasteful number, since it uses less digits than its factorization.

245791227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126314.

The product of its digits is 70560, while the sum is 39.

The square root of 245791227 is about 15677.7302885335. The cubic root of 245791227 is about 626.4053513184.

The spelling of 245791227 in words is "two hundred forty-five million, seven hundred ninety-one thousand, two hundred twenty-seven".