5250664451 has 4 divisors (see below), whose sum is σ = 5251314600. Its totient is φ = 5250014304.

The previous prime is 5250664439. The next prime is 5250664469. The reversal of 5250664451 is 1544660525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5250664451 - 2¹⁰ = 5250663427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5250664651) 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, 312806 + ... + 329163.

It is an arithmetic number, because the mean of its divisors is an integer number (1312828650).

Almost surely, 2^5250664451 is an apocalyptic number.

5250664451 is a deficient number, since it is larger than the sum of its proper divisors (650149).

5250664451 is an equidigital number, since it uses as much as digits as its factorization.

5250664451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650148.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 5250664451 is about 72461.4687333896. The cubic root of 5250664451 is about 1738.0866415527.

The spelling of 5250664451 in words is "five billion, two hundred fifty million, six hundred sixty-four thousand, four hundred fifty-one".