5245213440551 has 4 divisors (see below), whose sum is σ = 5994529646352. Its totient is φ = 4495897234752.

The previous prime is 5245213440499. The next prime is 5245213440559. The reversal of 5245213440551 is 1550443125425.

It is a happy number.

5245213440551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5245213440551 - 2¹⁴ = 5245213424167 is a prime.

It is a super-2 number, since 2×5245213440551² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5245213440499 and 5245213440508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245213440559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374658102890 + ... + 374658102903.

It is an arithmetic number, because the mean of its divisors is an integer number (1498632411588).

Almost surely, 2^{5245213440551} is an apocalyptic number.

5245213440551 is a deficient number, since it is larger than the sum of its proper divisors (749316205801).

5245213440551 is an equidigital number, since it uses as much as digits as its factorization.

5245213440551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749316205800.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 5245213440551 its reverse (1550443125425), we get a palindrome (6795656565976).

The spelling of 5245213440551 in words is "five trillion, two hundred forty-five billion, two hundred thirteen million, four hundred forty thousand, five hundred fifty-one".