270851 has 4 divisors (see below), whose sum is σ = 309552. Its totient is φ = 232152.

The previous prime is 270841. The next prime is 270859. The reversal of 270851 is 158072.

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 270851 - 2¹⁸ = 8707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19340 + ... + 19353.

It is an arithmetic number, because the mean of its divisors is an integer number (77388).

2²⁷⁰⁸⁵¹ is an apocalyptic number.

270851 is a deficient number, since it is larger than the sum of its proper divisors (38701).

270851 is an equidigital number, since it uses as much as digits as its factorization.

270851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38700.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 270851 is about 520.4334731740. The cubic root of 270851 is about 64.7008740736.

The spelling of 270851 in words is "two hundred seventy thousand, eight hundred fifty-one".