200454609 has 8 divisors (see below), whose sum is σ = 268873920. Its totient is φ = 132835856.

The previous prime is 200454589. The next prime is 200454619. The reversal of 200454609 is 906454002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200454609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200454619) 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, 199554 + ... + 200555.

It is an arithmetic number, because the mean of its divisors is an integer number (33609240).

Almost surely, 2^200454609 is an apocalyptic number.

It is an amenable number.

200454609 is a deficient number, since it is larger than the sum of its proper divisors (68419311).

200454609 is a wasteful number, since it uses less digits than its factorization.

200454609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400279.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 200454609 is about 14158.1993558503. The cubic root of 200454609 is about 585.2463072676.

The spelling of 200454609 in words is "two hundred million, four hundred fifty-four thousand, six hundred nine".