824049225 has 18 divisors (see below), whose sum is σ = 1475964126. Its totient is φ = 439492800.

The previous prime is 824049199. The next prime is 824049229. The reversal of 824049225 is 522940428.

It can be written as a sum of positive squares in 3 ways, for example, as 205979904 + 618069321 = 14352^2 + 24861^2 .

It is not a de Polignac number, because 824049225 - 2⁹ = 824048713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 824049225.

It is not an unprimeable number, because it can be changed into a prime (824049229) 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 17 ways as a sum of consecutive naturals, for example, 1830996 + ... + 1831445.

It is an arithmetic number, because the mean of its divisors is an integer number (81998007).

Almost surely, 2^824049225 is an apocalyptic number.

It is an amenable number.

824049225 is a deficient number, since it is larger than the sum of its proper divisors (651914901).

824049225 is a wasteful number, since it uses less digits than its factorization.

824049225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662457 (or 3662449 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 824049225 is about 28706.2575930754. The cubic root of 824049225 is about 937.5282978125.

The spelling of 824049225 in words is "eight hundred twenty-four million, forty-nine thousand, two hundred twenty-five".