27261153 has 6 divisors (see below), whose sum is σ = 39377234. Its totient is φ = 18174096.

The previous prime is 27261151. The next prime is 27261203. The reversal of 27261153 is 35116272.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16548624 + 10712529 = 4068^2 + 3273^2 .

It is not a de Polignac number, because 27261153 - 2¹ = 27261151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27261151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1514500 + ... + 1514517.

Almost surely, 2^27261153 is an apocalyptic number.

It is an amenable number.

27261153 is a deficient number, since it is larger than the sum of its proper divisors (12116081).

27261153 is a wasteful number, since it uses less digits than its factorization.

27261153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029023 (or 3029020 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 27261153 is about 5221.2214088276. The cubic root of 27261153 is about 300.9641315154.

It can be divided in two parts, 272 and 61153, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 27261153 in words is "twenty-seven million, two hundred sixty-one thousand, one hundred fifty-three".