27530125 has 32 divisors (see below), whose sum is σ = 39896064. Its totient is φ = 18576000.

The previous prime is 27530119. The next prime is 27530141. The reversal of 27530125 is 52103572.

It is not a de Polignac number, because 27530125 - 2²³ = 19141517 is a prime.

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 27530125.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 63660 + ... + 64090.

It is an arithmetic number, because the mean of its divisors is an integer number (1246752).

Almost surely, 2^27530125 is an apocalyptic number.

27530125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27530125 is a deficient number, since it is larger than the sum of its proper divisors (12365939).

27530125 is an equidigital number, since it uses as much as digits as its factorization.

27530125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 27530125 is about 5246.9157607112. The cubic root of 27530125 is about 301.9507141476.

Adding to 27530125 its reverse (52103572), we get a palindrome (79633697).

The spelling of 27530125 in words is "twenty-seven million, five hundred thirty thousand, one hundred twenty-five".