5034321521 has 4 divisors (see below), whose sum is σ = 5116851444. Its totient is φ = 4951791600.

The previous prime is 5034321499. The next prime is 5034321563. The reversal of 5034321521 is 1251234305.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1357111921 + 3677209600 = 36839^2 + 60640^2 .

It is a cyclic number.

It is not a de Polignac number, because 5034321521 - 2¹⁰ = 5034320497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5034321821) 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, 41264870 + ... + 41264991.

It is an arithmetic number, because the mean of its divisors is an integer number (1279212861).

Almost surely, 2^5034321521 is an apocalyptic number.

It is an amenable number.

5034321521 is a deficient number, since it is larger than the sum of its proper divisors (82529923).

5034321521 is an equidigital number, since it uses as much as digits as its factorization.

5034321521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82529922.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5034321521 is about 70952.9528701942. The cubic root of 5034321521 is about 1713.8796265971.

Adding to 5034321521 its reverse (1251234305), we get a palindrome (6285555826).

The spelling of 5034321521 in words is "five billion, thirty-four million, three hundred twenty-one thousand, five hundred twenty-one".