27250145 has 16 divisors (see below), whose sum is σ = 35646912. Its totient is φ = 19876800.

The previous prime is 27250127. The next prime is 27250159. The reversal of 27250145 is 54105272.

It is not a de Polignac number, because 27250145 - 2⁶ = 27250081 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2870 + ... + 7920.

It is an arithmetic number, because the mean of its divisors is an integer number (2227932).

Almost surely, 2^27250145 is an apocalyptic number.

It is an amenable number.

27250145 is a deficient number, since it is larger than the sum of its proper divisors (8396767).

27250145 is a wasteful number, since it uses less digits than its factorization.

27250145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 27250145 is about 5220.1671429179. The cubic root of 27250145 is about 300.9236164867.

The spelling of 27250145 in words is "twenty-seven million, two hundred fifty thousand, one hundred forty-five".