524122245 has 20 divisors (see below), whose sum is σ = 939538380. Its totient is φ = 279531648.

The previous prime is 524122241. The next prime is 524122271. The reversal of 524122245 is 542221425.

524122245 is a `hidden beast` number, since 5 + 2 + 412 + 2 + 245 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 120956004 + 403166241 = 10998^2 + 20079^2 .

It is not a de Polignac number, because 524122245 - 2² = 524122241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524122241) 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 19 ways as a sum of consecutive naturals, for example, 646660 + ... + 647469.

It is an arithmetic number, because the mean of its divisors is an integer number (46976919).

Almost surely, 2^524122245 is an apocalyptic number.

It is an amenable number.

524122245 is a deficient number, since it is larger than the sum of its proper divisors (415416135).

524122245 is a wasteful number, since it uses less digits than its factorization.

524122245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294146 (or 1294137 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 524122245 is about 22893.7162776164. The cubic root of 524122245 is about 806.2644864893.

The spelling of 524122245 in words is "five hundred twenty-four million, one hundred twenty-two thousand, two hundred forty-five".