52280125 has 24 divisors (see below), whose sum is σ = 67505256. Its totient is φ = 40400000.

The previous prime is 52280099. The next prime is 52280141. The reversal of 52280125 is 52108225.

It can be written as a sum of positive squares in 12 ways, for example, as 21399876 + 30880249 = 4626^2 + 5557^2 .

It is not a de Polignac number, because 52280125 - 2⁹ = 52279613 is a prime.

It is a super-2 number, since 2×52280125² = 5466422940031250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52280125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517575 + ... + 517675.

It is an arithmetic number, because the mean of its divisors is an integer number (2812719).

Almost surely, 2^52280125 is an apocalyptic number.

It is an amenable number.

52280125 is a deficient number, since it is larger than the sum of its proper divisors (15225131).

52280125 is an equidigital number, since it uses as much as digits as its factorization.

52280125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 52280125 is about 7230.4996369546. The cubic root of 52280125 is about 373.9201527236.

The spelling of 52280125 in words is "fifty-two million, two hundred eighty thousand, one hundred twenty-five".