5321578451 has 16 divisors (see below), whose sum is σ = 6380924928. Its totient is φ = 4341837600.

The previous prime is 5321578433. The next prime is 5321578453. The reversal of 5321578451 is 1548751235.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5321578451 - 2¹⁴ = 5321562067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5321578399 and 5321578408.

It is not an unprimeable number, because it can be changed into a prime (5321578453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187775 + ... + 214248.

It is an arithmetic number, because the mean of its divisors is an integer number (398807808).

Almost surely, 2^5321578451 is an apocalyptic number.

5321578451 is a deficient number, since it is larger than the sum of its proper divisors (1059346477).

5321578451 is a wasteful number, since it uses less digits than its factorization.

5321578451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402122.

The product of its digits is 168000, while the sum is 41.

The square root of 5321578451 is about 72949.1497620089. The cubic root of 5321578451 is about 1745.8763808310.

The spelling of 5321578451 in words is "five billion, three hundred twenty-one million, five hundred seventy-eight thousand, four hundred fifty-one".