5423312521 has 16 divisors (see below), whose sum is σ = 6144323328. Its totient is φ = 4743723600.

The previous prime is 5423312483. The next prime is 5423312537. The reversal of 5423312521 is 1252133245.

It is not a de Polignac number, because 5423312521 - 2¹³ = 5423304329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5423312521.

It is not an unprimeable number, because it can be changed into a prime (5423312561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53875 + ... + 117256.

It is an arithmetic number, because the mean of its divisors is an integer number (384020208).

Almost surely, 2^5423312521 is an apocalyptic number.

It is an amenable number.

5423312521 is a deficient number, since it is larger than the sum of its proper divisors (721010807).

5423312521 is a wasteful number, since it uses less digits than its factorization.

5423312521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171252.

The product of its digits is 7200, while the sum is 28.

The square root of 5423312521 is about 73643.1430684487. The cubic root of 5423312521 is about 1756.9316934940.

Adding to 5423312521 its reverse (1252133245), we get a palindrome (6675445766).

The spelling of 5423312521 in words is "five billion, four hundred twenty-three million, three hundred twelve thousand, five hundred twenty-one".