27031156 has 12 divisors (see below), whose sum is σ = 50087268. Its totient is φ = 12720512.

The previous prime is 27031153. The next prime is 27031171. The reversal of 27031156 is 65113072.

It can be written as a sum of positive squares in 2 ways, for example, as 14668900 + 12362256 = 3830^2 + 3516^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27031156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27031153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198691 + ... + 198826.

It is an arithmetic number, because the mean of its divisors is an integer number (4173939).

Almost surely, 2^27031156 is an apocalyptic number.

It is an amenable number.

27031156 is a deficient number, since it is larger than the sum of its proper divisors (23056112).

27031156 is a wasteful number, since it uses less digits than its factorization.

27031156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397538 (or 397536 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 27031156 is about 5199.1495458392. The cubic root of 27031156 is about 300.1153482362.

The spelling of 27031156 in words is "twenty-seven million, thirty-one thousand, one hundred fifty-six".