52501285 has 8 divisors (see below), whose sum is σ = 63158040. Its totient is φ = 41896704.

The previous prime is 52501283. The next prime is 52501289. The reversal of 52501285 is 58210525.

It can be written as a sum of positive squares in 4 ways, for example, as 24770529 + 27730756 = 4977^2 + 5266^2 .

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 52501285 - 2¹ = 52501283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52501283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10792 + ... + 14881.

It is an arithmetic number, because the mean of its divisors is an integer number (7894755).

Almost surely, 2^52501285 is an apocalyptic number.

It is an amenable number.

52501285 is a deficient number, since it is larger than the sum of its proper divisors (10656755).

52501285 is a wasteful number, since it uses less digits than its factorization.

52501285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26087.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 52501285 is about 7245.7770459765. Note that the first 3 decimals coincide. The cubic root of 52501285 is about 374.4466743205.

The spelling of 52501285 in words is "fifty-two million, five hundred one thousand, two hundred eighty-five".