214204561 has 8 divisors (see below), whose sum is σ = 217646240. Its totient is φ = 210770208.

The previous prime is 214204559. The next prime is 214204591. The reversal of 214204561 is 165402412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214204561 - 2¹ = 214204559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214204531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106810 + ... + 108796.

It is an arithmetic number, because the mean of its divisors is an integer number (27205780).

Almost surely, 2^214204561 is an apocalyptic number.

It is an amenable number.

214204561 is a deficient number, since it is larger than the sum of its proper divisors (3441679).

214204561 is a wasteful number, since it uses less digits than its factorization.

214204561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 214204561 is about 14635.7289193262. The cubic root of 214204561 is about 598.3329288945.

Adding to 214204561 its reverse (165402412), we get a palindrome (379606973).

The spelling of 214204561 in words is "two hundred fourteen million, two hundred four thousand, five hundred sixty-one".