206450453 has 4 divisors (see below), whose sum is σ = 225218688. Its totient is φ = 187682220.

The previous prime is 206450429. The next prime is 206450459. The reversal of 206450453 is 354054602.

206450453 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 not a de Polignac number, because 206450453 - 2⁶ = 206450389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206450459) 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, 9384101 + ... + 9384122.

It is an arithmetic number, because the mean of its divisors is an integer number (56304672).

Almost surely, 2^206450453 is an apocalyptic number.

It is an amenable number.

206450453 is a deficient number, since it is larger than the sum of its proper divisors (18768235).

206450453 is a wasteful number, since it uses less digits than its factorization.

206450453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18768234.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 206450453 is about 14368.3837991613. The cubic root of 206450453 is about 591.0242221017.

The spelling of 206450453 in words is "two hundred six million, four hundred fifty thousand, four hundred fifty-three".