27485129 has 12 divisors (see below), whose sum is σ = 32754708. Its totient is φ = 22982400.

The previous prime is 27485123. The next prime is 27485131. The reversal of 27485129 is 92158472.

It can be written as a sum of positive squares in 2 ways, for example, as 13249600 + 14235529 = 3640^2 + 3773^2 .

It is a de Polignac number, because none of the positive numbers 2^k-27485129 is a prime.

It is a super-2 number, since 2×27485129² = 1510864632293282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27485092 and 27485101.

It is not an unprimeable number, because it can be changed into a prime (27485123) 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 11 ways as a sum of consecutive naturals, for example, 4832 + ... + 8849.

It is an arithmetic number, because the mean of its divisors is an integer number (2729559).

Almost surely, 2^27485129 is an apocalyptic number.

It is an amenable number.

27485129 is a deficient number, since it is larger than the sum of its proper divisors (5269579).

27485129 is a wasteful number, since it uses less digits than its factorization.

27485129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13736 (or 13729 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 27485129 is about 5242.6261548960. The cubic root of 27485129 is about 301.7861189009.

The spelling of 27485129 in words is "twenty-seven million, four hundred eighty-five thousand, one hundred twenty-nine".