27255901 has 4 divisors (see below), whose sum is σ = 27311904. Its totient is φ = 27199900.

The previous prime is 27255889. The next prime is 27255919. The reversal of 27255901 is 10955272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27255901 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27255941) 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, 27265 + ... + 28246.

It is an arithmetic number, because the mean of its divisors is an integer number (6827976).

Almost surely, 2^27255901 is an apocalyptic number.

It is an amenable number.

27255901 is a deficient number, since it is larger than the sum of its proper divisors (56003).

27255901 is an equidigital number, since it uses as much as digits as its factorization.

27255901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56002.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 27255901 is about 5220.7184371502. The cubic root of 27255901 is about 300.9448028498.

The spelling of 27255901 in words is "twenty-seven million, two hundred fifty-five thousand, nine hundred one".