52128301 has 4 divisors (see below), whose sum is σ = 53537212. Its totient is φ = 50719392.

The previous prime is 52128299. The next prime is 52128347. The reversal of 52128301 is 10382125.

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 41409225 + 10719076 = 6435^2 + 3274^2 .

It is a cyclic number.

It is not a de Polignac number, because 52128301 - 2¹ = 52128299 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 (52128361) 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, 704400 + ... + 704473.

It is an arithmetic number, because the mean of its divisors is an integer number (13384303).

Almost surely, 2^52128301 is an apocalyptic number.

It is an amenable number.

52128301 is a deficient number, since it is larger than the sum of its proper divisors (1408911).

52128301 is a wasteful number, since it uses less digits than its factorization.

52128301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408910.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 52128301 is about 7219.9931440411. The cubic root of 52128301 is about 373.5578410649.

The spelling of 52128301 in words is "fifty-two million, one hundred twenty-eight thousand, three hundred one".