214216061 has 4 divisors (see below), whose sum is σ = 216424572. Its totient is φ = 212007552.

The previous prime is 214216049. The next prime is 214216081. The reversal of 214216061 is 160612412.

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 35164900 + 179051161 = 5930^2 + 13381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214216061 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 (214216081) 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, 1104110 + ... + 1104303.

It is an arithmetic number, because the mean of its divisors is an integer number (54106143).

Almost surely, 2^214216061 is an apocalyptic number.

It is an amenable number.

214216061 is a deficient number, since it is larger than the sum of its proper divisors (2208511).

214216061 is an equidigital number, since it uses as much as digits as its factorization.

214216061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208510.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 214216061 is about 14636.1217882334. The cubic root of 214216061 is about 598.3436362693.

Adding to 214216061 its reverse (160612412), we get a palindrome (374828473).

The spelling of 214216061 in words is "two hundred fourteen million, two hundred sixteen thousand, sixty-one".