214540471 has 4 divisors (see below), whose sum is σ = 214650112. Its totient is φ = 214430832.

The previous prime is 214540453. The next prime is 214540489. The reversal of 214540471 is 174045412.

214540471 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 is an interprime number because it is at equal distance from previous prime (214540453) and next prime (214540489).

It is a cyclic number.

It is not a de Polignac number, because 214540471 - 2⁵ = 214540439 is a prime.

It is a super-3 number, since 3×214540471³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214540411) 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, 51831 + ... + 55816.

It is an arithmetic number, because the mean of its divisors is an integer number (53662528).

Almost surely, 2^214540471 is an apocalyptic number.

214540471 is a deficient number, since it is larger than the sum of its proper divisors (109641).

214540471 is a wasteful number, since it uses less digits than its factorization.

214540471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109640.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 214540471 is about 14647.2001078704. The cubic root of 214540471 is about 598.6455289069.

Adding to 214540471 its reverse (174045412), we get a palindrome (388585883).

The spelling of 214540471 in words is "two hundred fourteen million, five hundred forty thousand, four hundred seventy-one".