27151051 has 4 divisors (see below), whose sum is σ = 27171432. Its totient is φ = 27130672.

The previous prime is 27151037. The next prime is 27151093. The reversal of 27151051 is 15015172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27151051 - 2⁷ = 27150923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27151001) 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, 8041 + ... + 10906.

It is an arithmetic number, because the mean of its divisors is an integer number (6792858).

Almost surely, 2^27151051 is an apocalyptic number.

27151051 is a deficient number, since it is larger than the sum of its proper divisors (20381).

27151051 is a wasteful number, since it uses less digits than its factorization.

27151051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20380.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 27151051 is about 5210.6670398328. The cubic root of 27151051 is about 300.5584081045.

The spelling of 27151051 in words is "twenty-seven million, one hundred fifty-one thousand, fifty-one".