5424041521 has 4 divisors (see below), whose sum is σ = 5500436544. Its totient is φ = 5347646500.

The previous prime is 5424041503. The next prime is 5424041527. The reversal of 5424041521 is 1251404245.

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 5424041521 - 2⁷ = 5424041393 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 5424041521.

It is not an unprimeable number, because it can be changed into a prime (5424041527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38197405 + ... + 38197546.

It is an arithmetic number, because the mean of its divisors is an integer number (1375109136).

Almost surely, 2^5424041521 is an apocalyptic number.

It is an amenable number.

5424041521 is a deficient number, since it is larger than the sum of its proper divisors (76395023).

5424041521 is an equidigital number, since it uses as much as digits as its factorization.

5424041521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76395022.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 5424041521 is about 73648.0924464443. The cubic root of 5424041521 is about 1757.0104120395.

Adding to 5424041521 its reverse (1251404245), we get a palindrome (6675445766).

The spelling of 5424041521 in words is "five billion, four hundred twenty-four million, forty-one thousand, five hundred twenty-one".