52521512401 has 4 divisors (see below), whose sum is σ = 52546184100. Its totient is φ = 52496840704.

The previous prime is 52521512383. The next prime is 52521512419. The reversal of 52521512401 is 10421512525.

52521512401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (52521512383) and next prime (52521512419).

It can be written as a sum of positive squares in 2 ways, for example, as 13406166225 + 39115346176 = 115785^2 + 197776^2 .

It is a cyclic number.

It is not a de Polignac number, because 52521512401 - 2⁵ = 52521512369 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 52521512401.

It is not an unprimeable number, because it can be changed into a prime (52521512471) 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, 12332656 + ... + 12336913.

It is an arithmetic number, because the mean of its divisors is an integer number (13136546025).

Almost surely, 2^52521512401 is an apocalyptic number.

It is an amenable number.

52521512401 is a deficient number, since it is larger than the sum of its proper divisors (24671699).

52521512401 is a wasteful number, since it uses less digits than its factorization.

52521512401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24671698.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 52521512401 in words is "fifty-two billion, five hundred twenty-one million, five hundred twelve thousand, four hundred one".