52445825 has 6 divisors (see below), whose sum is σ = 65032854. Its totient is φ = 41956640.

The previous prime is 52445821. The next prime is 52445839. The reversal of 52445825 is 52854425.

It can be written as a sum of positive squares in 3 ways, for example, as 10817521 + 41628304 = 3289^2 + 6452^2 .

It is not a de Polignac number, because 52445825 - 2² = 52445821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52445821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1048892 + ... + 1048941.

It is an arithmetic number, because the mean of its divisors is an integer number (10838809).

Almost surely, 2^52445825 is an apocalyptic number.

It is an amenable number.

52445825 is a deficient number, since it is larger than the sum of its proper divisors (12587029).

52445825 is a wasteful number, since it uses less digits than its factorization.

52445825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097843 (or 2097838 counting only the distinct ones).

The product of its digits is 64000, while the sum is 35.

The square root of 52445825 is about 7241.9489780031. The cubic root of 52445825 is about 374.3147783156.

The spelling of 52445825 in words is "fifty-two million, four hundred forty-five thousand, eight hundred twenty-five".