214634261 has 4 divisors (see below), whose sum is σ = 214718412. Its totient is φ = 214550112.

The previous prime is 214634257. The next prime is 214634309. The reversal of 214634261 is 162436412.

214634261 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.

It can be written as a sum of positive squares in 2 ways, for example, as 15288100 + 199346161 = 3910^2 + 14119^2 .

It is a cyclic number.

It is not a de Polignac number, because 214634261 - 2² = 214634257 is a prime.

It is a super-2 number, since 2×214634261² = 92135731990032242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214634561) 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, 38126 + ... + 43391.

It is an arithmetic number, because the mean of its divisors is an integer number (53679603).

Almost surely, 2^214634261 is an apocalyptic number.

It is an amenable number.

214634261 is a deficient number, since it is larger than the sum of its proper divisors (84151).

214634261 is an equidigital number, since it uses as much as digits as its factorization.

214634261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84150.

The product of its digits is 6912, while the sum is 29.

The square root of 214634261 is about 14650.4013938185. The cubic root of 214634261 is about 598.7327522079.

The spelling of 214634261 in words is "two hundred fourteen million, six hundred thirty-four thousand, two hundred sixty-one".