214424531 has 8 divisors (see below), whose sum is σ = 220296384. Its totient is φ = 208593000.

The previous prime is 214424513. The next prime is 214424569. The reversal of 214424531 is 135424412.

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

It is not a de Polignac number, because 214424531 - 2¹⁸ = 214162387 is a prime.

It is a super-2 number, since 2×214424531² = 91955758989139922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214424531.

It is not an unprimeable number, because it can be changed into a prime (214421531) 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, 860 + ... + 20726.

It is an arithmetic number, because the mean of its divisors is an integer number (27537048).

Almost surely, 2^214424531 is an apocalyptic number.

214424531 is a deficient number, since it is larger than the sum of its proper divisors (5871853).

214424531 is a wasteful number, since it uses less digits than its factorization.

214424531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20161.

The product of its digits is 3840, while the sum is 26.

The square root of 214424531 is about 14643.2418200343. The cubic root of 214424531 is about 598.5376712941.

Adding to 214424531 its reverse (135424412), we get a palindrome (349848943).

The spelling of 214424531 in words is "two hundred fourteen million, four hundred twenty-four thousand, five hundred thirty-one".