52570109 has 4 divisors (see below), whose sum is σ = 52585116. Its totient is φ = 52555104.

The previous prime is 52570061. The next prime is 52570129. The reversal of 52570109 is 90107525.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16630084 + 35940025 = 4078^2 + 5995^2 .

It is a cyclic number.

It is not a de Polignac number, because 52570109 - 2²⁴ = 35792893 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 (52570129) 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, 857 + ... + 10289.

It is an arithmetic number, because the mean of its divisors is an integer number (13146279).

Almost surely, 2^52570109 is an apocalyptic number.

It is an amenable number.

52570109 is a deficient number, since it is larger than the sum of its proper divisors (15007).

52570109 is an equidigital number, since it uses as much as digits as its factorization.

52570109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15006.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 52570109 is about 7250.5247396309. The cubic root of 52570109 is about 374.6102237464.

The spelling of 52570109 in words is "fifty-two million, five hundred seventy thousand, one hundred nine".