5663451 has 16 divisors (see below), whose sum is σ = 7937280. Its totient is φ = 3585120.

The previous prime is 5663429. The next prime is 5663459. The reversal of 5663451 is 1543665.

It is not a de Polignac number, because 5663451 - 2⁵ = 5663419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5663459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14365 + ... + 14753.

It is an arithmetic number, because the mean of its divisors is an integer number (496080).

Almost surely, 2^5663451 is an apocalyptic number.

5663451 is a deficient number, since it is larger than the sum of its proper divisors (2273829).

5663451 is a wasteful number, since it uses less digits than its factorization.

5663451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its digits is 10800, while the sum is 30.

The square root of 5663451 is about 2379.8006219009. The cubic root of 5663451 is about 178.2489782626.

The spelling of 5663451 in words is "five million, six hundred sixty-three thousand, four hundred fifty-one".