5201053621 has 4 divisors (see below), whose sum is σ = 5202833472. Its totient is φ = 5199273772.

The previous prime is 5201053601. The next prime is 5201053679. The reversal of 5201053621 is 1263501025.

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 5201053621 - 2⁵ = 5201053589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5201053601) 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, 885535 + ... + 891388.

It is an arithmetic number, because the mean of its divisors is an integer number (1300708368).

Almost surely, 2^5201053621 is an apocalyptic number.

It is an amenable number.

5201053621 is a deficient number, since it is larger than the sum of its proper divisors (1779851).

5201053621 is a wasteful number, since it uses less digits than its factorization.

5201053621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779850.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5201053621 is about 72118.3306864489. The cubic root of 5201053621 is about 1732.5952140250.

Adding to 5201053621 its reverse (1263501025), we get a palindrome (6464554646).

The spelling of 5201053621 in words is "five billion, two hundred one million, fifty-three thousand, six hundred twenty-one".