52170361 has 4 divisors (see below), whose sum is σ = 52258932. Its totient is φ = 52081792.

The previous prime is 52170353. The next prime is 52170367. The reversal of 52170361 is 16307125.

52170361 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 can be written as a sum of positive squares in 2 ways, for example, as 44302336 + 7868025 = 6656^2 + 2805^2 .

It is a cyclic number.

It is not a de Polignac number, because 52170361 - 2³ = 52170353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52170367) 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 3 ways as a sum of consecutive naturals, for example, 43396 + ... + 44581.

It is an arithmetic number, because the mean of its divisors is an integer number (13064733).

Almost surely, 2^52170361 is an apocalyptic number.

It is an amenable number.

52170361 is a deficient number, since it is larger than the sum of its proper divisors (88571).

52170361 is an equidigital number, since it uses as much as digits as its factorization.

52170361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88570.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 52170361 is about 7222.9053018851. The cubic root of 52170361 is about 373.6582831066.

Adding to 52170361 its reverse (16307125), we get a palindrome (68477486).

The spelling of 52170361 in words is "fifty-two million, one hundred seventy thousand, three hundred sixty-one".