52520265 has 64 divisors (see below), whose sum is σ = 107712000. Its totient is φ = 23784192.

The previous prime is 52520261. The next prime is 52520267. The reversal of 52520265 is 56202525.

It is not a de Polignac number, because 52520265 - 2² = 52520261 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (52520261) 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 63 ways as a sum of consecutive naturals, for example, 140619 + ... + 140991.

It is an arithmetic number, because the mean of its divisors is an integer number (1683000).

Almost surely, 2^52520265 is an apocalyptic number.

It is an amenable number.

52520265 is an abundant number, since it is smaller than the sum of its proper divisors (55191735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52520265 is a wasteful number, since it uses less digits than its factorization.

52520265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 52520265 is about 7247.0866560294. The cubic root of 52520265 is about 374.4917915757.

The spelling of 52520265 in words is "fifty-two million, five hundred twenty thousand, two hundred sixty-five".