52403173 has 2 divisors, whose sum is σ = 52403174. Its totient is φ = 52403172.

The previous prime is 52403171. The next prime is 52403213. The reversal of 52403173 is 37130425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49098049 + 3305124 = 7007^2 + 1818^2 .

It is a cyclic number.

It is not a de Polignac number, because 52403173 - 2¹ = 52403171 is a prime.

Together with 52403171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52403171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26201586 + 26201587.

It is an arithmetic number, because the mean of its divisors is an integer number (26201587).

Almost surely, 2^52403173 is an apocalyptic number.

It is an amenable number.

52403173 is a deficient number, since it is larger than the sum of its proper divisors (1).

52403173 is an equidigital number, since it uses as much as digits as its factorization.

52403173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 52403173 is about 7239.0035916554. The cubic root of 52403173 is about 374.2132792681.

Adding to 52403173 its reverse (37130425), we get a palindrome (89533598).

It can be divided in two parts, 52 and 403173, that added together give a square (403225 = 635²).

The spelling of 52403173 in words is "fifty-two million, four hundred three thousand, one hundred seventy-three".