214942903 has 4 divisors (see below), whose sum is σ = 245649040. Its totient is φ = 184236768.

The previous prime is 214942873. The next prime is 214942907. The reversal of 214942903 is 309249412.

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 214942903 - 2¹³ = 214934711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214942907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15353058 + ... + 15353071.

It is an arithmetic number, because the mean of its divisors is an integer number (61412260).

Almost surely, 2^214942903 is an apocalyptic number.

214942903 is a deficient number, since it is larger than the sum of its proper divisors (30706137).

214942903 is an equidigital number, since it uses as much as digits as its factorization.

214942903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30706136.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 214942903 is about 14660.9311777936. The cubic root of 214942903 is about 599.0196053980.

The spelling of 214942903 in words is "two hundred fourteen million, nine hundred forty-two thousand, nine hundred three".