27270125 has 32 divisors (see below), whose sum is σ = 37031904. Its totient is φ = 19968000.

The previous prime is 27270109. The next prime is 27270137. The reversal of 27270125 is 52107272.

27270125 = 125² + 126² + ... + 437².

It can be written as a sum of positive squares in 16 ways, for example, as 27071209 + 198916 = 5203^2 + 446^2 .

It is not a de Polignac number, because 27270125 - 2⁴ = 27270109 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27270094 and 27270103.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 86969 + ... + 87281.

It is an arithmetic number, because the mean of its divisors is an integer number (1157247).

Almost surely, 2^27270125 is an apocalyptic number.

27270125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27270125 is a deficient number, since it is larger than the sum of its proper divisors (9761779).

27270125 is a wasteful number, since it uses less digits than its factorization.

27270125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 27270125 is about 5222.0805240823. The cubic root of 27270125 is about 300.9971449640.

Adding to 27270125 its reverse (52107272), we get a palindrome (79377397).

The spelling of 27270125 in words is "twenty-seven million, two hundred seventy thousand, one hundred twenty-five".