214251161 has 4 divisors (see below), whose sum is σ = 215328000. Its totient is φ = 213174324.

The previous prime is 214251143. The next prime is 214251181. The reversal of 214251161 is 161152412.

214251161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214251161 - 2²⁶ = 147142297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214251181) 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, 538121 + ... + 538518.

It is an arithmetic number, because the mean of its divisors is an integer number (53832000).

Almost surely, 2^214251161 is an apocalyptic number.

It is an amenable number.

214251161 is a deficient number, since it is larger than the sum of its proper divisors (1076839).

214251161 is a wasteful number, since it uses less digits than its factorization.

214251161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076838.

The product of its digits is 480, while the sum is 23.

The square root of 214251161 is about 14637.3208272552. The cubic root of 214251161 is about 598.3763146697.

It can be divided in two parts, 214251 and 161, that added together give a palindrome (214412).

The spelling of 214251161 in words is "two hundred fourteen million, two hundred fifty-one thousand, one hundred sixty-one".