214979453 has 4 divisors (see below), whose sum is σ = 231516348. Its totient is φ = 198442560.

The previous prime is 214979447. The next prime is 214979473. The reversal of 214979453 is 354979412.

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 14417209 + 200562244 = 3797^2 + 14162^2 .

It is a cyclic number.

It is not a de Polignac number, because 214979453 - 2⁸ = 214979197 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 (214979473) 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, 8268428 + ... + 8268453.

It is an arithmetic number, because the mean of its divisors is an integer number (57879087).

Almost surely, 2^214979453 is an apocalyptic number.

It is an amenable number.

214979453 is a deficient number, since it is larger than the sum of its proper divisors (16536895).

214979453 is a wasteful number, since it uses less digits than its factorization.

214979453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16536894.

The product of its digits is 272160, while the sum is 44.

The square root of 214979453 is about 14662.1776349900. The cubic root of 214979453 is about 599.0535569349.

The spelling of 214979453 in words is "two hundred fourteen million, nine hundred seventy-nine thousand, four hundred fifty-three".