451608089 has 4 divisors (see below), whose sum is σ = 452016420. Its totient is φ = 451199760.

The previous prime is 451608061. The next prime is 451608103. The reversal of 451608089 is 980806154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 980806154 = 2 ⋅490403077.

It can be written as a sum of positive squares in 2 ways, for example, as 10272025 + 441336064 = 3205^2 + 21008^2 .

It is a cyclic number.

It is not a de Polignac number, because 451608089 - 2¹² = 451603993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451608029) 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, 202502 + ... + 204719.

It is an arithmetic number, because the mean of its divisors is an integer number (113004105).

Almost surely, 2^451608089 is an apocalyptic number.

It is an amenable number.

451608089 is a deficient number, since it is larger than the sum of its proper divisors (408331).

451608089 is a wasteful number, since it uses less digits than its factorization.

451608089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408330.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 451608089 is about 21251.0726552803. The cubic root of 451608089 is about 767.2211574277.

The spelling of 451608089 in words is "four hundred fifty-one million, six hundred eight thousand, eighty-nine".