214497109 has 4 divisors (see below), whose sum is σ = 227114604. Its totient is φ = 201879616.

The previous prime is 214497097. The next prime is 214497119. The reversal of 214497109 is 901794412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112042225 + 102454884 = 10585^2 + 10122^2 .

It is a cyclic number.

It is not a de Polignac number, because 214497109 - 2⁵ = 214497077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214497119) 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, 6308722 + ... + 6308755.

It is an arithmetic number, because the mean of its divisors is an integer number (56778651).

Almost surely, 2^214497109 is an apocalyptic number.

It is an amenable number.

214497109 is a deficient number, since it is larger than the sum of its proper divisors (12617495).

214497109 is a wasteful number, since it uses less digits than its factorization.

214497109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12617494.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 214497109 is about 14645.7198184316. The cubic root of 214497109 is about 598.6051943003.

The spelling of 214497109 in words is "two hundred fourteen million, four hundred ninety-seven thousand, one hundred nine".