5244520405 has 8 divisors (see below), whose sum is σ = 6349119192. Its totient is φ = 4158486528.

The previous prime is 5244520403. The next prime is 5244520423. The reversal of 5244520405 is 5040254425.

It can be written as a sum of positive squares in 4 ways, for example, as 510805201 + 4733715204 = 22601^2 + 68802^2 .

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 5244520405 - 2¹ = 5244520403 is a prime.

It is a super-2 number, since 2×5244520405² = 55009988556922728050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5244520403) 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, 4640604 + ... + 4641733.

It is an arithmetic number, because the mean of its divisors is an integer number (793639899).

Almost surely, 2^5244520405 is an apocalyptic number.

It is an amenable number.

5244520405 is a deficient number, since it is larger than the sum of its proper divisors (1104598787).

5244520405 is a wasteful number, since it uses less digits than its factorization.

5244520405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9282455.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 5244520405 is about 72419.0610612979. The cubic root of 5244520405 is about 1737.4084383543.

The spelling of 5244520405 in words is "five billion, two hundred forty-four million, five hundred twenty thousand, four hundred five".