52512621 has 8 divisors (see below), whose sum is σ = 80019264. Its totient is φ = 30007200.

The previous prime is 52512619. The next prime is 52512641. The reversal of 52512621 is 12621525.

It is a happy number.

52512621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52512621 - 2¹ = 52512619 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 52512591 and 52512600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52512641) 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 7 ways as a sum of consecutive naturals, for example, 1250280 + ... + 1250321.

It is an arithmetic number, because the mean of its divisors is an integer number (10002408).

Almost surely, 2^52512621 is an apocalyptic number.

It is an amenable number.

52512621 is a deficient number, since it is larger than the sum of its proper divisors (27506643).

52512621 is a wasteful number, since it uses less digits than its factorization.

52512621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500611.

The product of its digits is 1200, while the sum is 24.

The square root of 52512621 is about 7246.5592525005. The cubic root of 52512621 is about 374.4736223722.

The spelling of 52512621 in words is "fifty-two million, five hundred twelve thousand, six hundred twenty-one".