5220545401 has 4 divisors (see below), whose sum is σ = 5222361600. Its totient is φ = 5218729204.

The previous prime is 5220545381. The next prime is 5220545411. The reversal of 5220545401 is 1045450225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5220545401 - 2¹¹ = 5220543353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5220545401.

It is not an unprimeable number, because it can be changed into a prime (5220545411) 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 3 ways as a sum of consecutive naturals, for example, 903781 + ... + 909538.

It is an arithmetic number, because the mean of its divisors is an integer number (1305590400).

Almost surely, 2^5220545401 is an apocalyptic number.

It is an amenable number.

5220545401 is a deficient number, since it is larger than the sum of its proper divisors (1816199).

5220545401 is a wasteful number, since it uses less digits than its factorization.

5220545401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816198.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 5220545401 is about 72253.3417981480. The cubic root of 5220545401 is about 1734.7569083632.

Adding to 5220545401 its reverse (1045450225), we get a palindrome (6265995626).

The spelling of 5220545401 in words is "five billion, two hundred twenty million, five hundred forty-five thousand, four hundred one".