52540245 has 48 divisors (see below), whose sum is σ = 95764032. Its totient is φ = 27630720.

The previous prime is 52540237. The next prime is 52540247. The reversal of 52540245 is 54204525.

52540245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52540245 - 2³ = 52540237 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (52540247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100585 + ... + 101105.

It is an arithmetic number, because the mean of its divisors is an integer number (1995084).

Almost surely, 2^52540245 is an apocalyptic number.

It is an amenable number.

52540245 is a deficient number, since it is larger than the sum of its proper divisors (43223787).

52540245 is an equidigital number, since it uses as much as digits as its factorization.

52540245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 52540245 is about 7248.4650099176. The cubic root of 52540245 is about 374.5392741831.

The spelling of 52540245 in words is "fifty-two million, five hundred forty thousand, two hundred forty-five".