52150725 has 72 divisors (see below), whose sum is σ = 107359200. Its totient is φ = 23932800.

The previous prime is 52150717. The next prime is 52150727. The reversal of 52150725 is 52705125.

It is a happy number.

52150725 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 52150725 - 2³ = 52150717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52150727) 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 71 ways as a sum of consecutive naturals, for example, 46471 + ... + 47579.

It is an arithmetic number, because the mean of its divisors is an integer number (1491100).

Almost surely, 2^52150725 is an apocalyptic number.

52150725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52150725 is an abundant number, since it is smaller than the sum of its proper divisors (55208475).

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

52150725 is a wasteful number, since it uses less digits than its factorization.

52150725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 52150725 is about 7221.5458871352. The cubic root of 52150725 is about 373.6113977703.

The spelling of 52150725 in words is "fifty-two million, one hundred fifty thousand, seven hundred twenty-five".