5245663451 has 8 divisors (see below), whose sum is σ = 6141264864. Its totient is φ = 4386617280.

The previous prime is 5245663421. The next prime is 5245663453. The reversal of 5245663451 is 1543665425.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5245663451 - 2⁶ = 5245663387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 5245663399 and 5245663408.

It is not an unprimeable number, because it can be changed into a prime (5245663453) 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, 9138500 + ... + 9139073.

It is an arithmetic number, because the mean of its divisors is an integer number (767658108).

Almost surely, 2^5245663451 is an apocalyptic number.

5245663451 is a deficient number, since it is larger than the sum of its proper divisors (895601413).

5245663451 is a wasteful number, since it uses less digits than its factorization.

5245663451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18277621.

The product of its digits is 432000, while the sum is 41.

The square root of 5245663451 is about 72426.9525176919. The cubic root of 5245663451 is about 1737.5346522151.

The spelling of 5245663451 in words is "five billion, two hundred forty-five million, six hundred sixty-three thousand, four hundred fifty-one".