27520125 has 16 divisors (see below), whose sum is σ = 45794112. Its totient is φ = 14677200.

The previous prime is 27520123. The next prime is 27520139. The reversal of 27520125 is 52102572.

It is not a de Polignac number, because 27520125 - 2¹ = 27520123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27520095 and 27520104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27520123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36319 + ... + 37068.

It is an arithmetic number, because the mean of its divisors is an integer number (2862132).

Almost surely, 2^27520125 is an apocalyptic number.

27520125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27520125 is a deficient number, since it is larger than the sum of its proper divisors (18273987).

27520125 is an equidigital number, since it uses as much as digits as its factorization.

27520125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73405 (or 73395 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 27520125 is about 5245.9627333789. The cubic root of 27520125 is about 301.9141496834.

Adding to 27520125 its reverse (52102572), we get a palindrome (79622697).

The spelling of 27520125 in words is "twenty-seven million, five hundred twenty thousand, one hundred twenty-five".