214257695 has 4 divisors (see below), whose sum is σ = 257109240. Its totient is φ = 171406152.

The previous prime is 214257689. The next prime is 214257697. The reversal of 214257695 is 596752412.

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 214257695 - 2¹⁴ = 214241311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214257697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21425765 + ... + 21425774.

It is an arithmetic number, because the mean of its divisors is an integer number (64277310).

Almost surely, 2^214257695 is an apocalyptic number.

214257695 is a deficient number, since it is larger than the sum of its proper divisors (42851545).

214257695 is an equidigital number, since it uses as much as digits as its factorization.

214257695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42851544.

The product of its digits is 151200, while the sum is 41.

The square root of 214257695 is about 14637.5440221370. The cubic root of 214257695 is about 598.3823974856.

The spelling of 214257695 in words is "two hundred fourteen million, two hundred fifty-seven thousand, six hundred ninety-five".