52150073 has 4 divisors (see below), whose sum is σ = 53422068. Its totient is φ = 50878080.

The previous prime is 52150061. The next prime is 52150081. The reversal of 52150073 is 37005125.

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 18079504 + 34070569 = 4252^2 + 5837^2 .

It is a cyclic number.

It is not a de Polignac number, because 52150073 - 2¹⁴ = 52133689 is a prime.

It is a super-2 number, since 2×52150073² = 5439260227810658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52150673) 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 in 3 ways as a sum of consecutive naturals, for example, 635936 + ... + 636017.

It is an arithmetic number, because the mean of its divisors is an integer number (13355517).

Almost surely, 2^52150073 is an apocalyptic number.

It is an amenable number.

52150073 is a deficient number, since it is larger than the sum of its proper divisors (1271995).

52150073 is a wasteful number, since it uses less digits than its factorization.

52150073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271994.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 52150073 is about 7221.5007443052. The cubic root of 52150073 is about 373.6098407728.

Adding to 52150073 its reverse (37005125), we get a palindrome (89155198).

The spelling of 52150073 in words is "fifty-two million, one hundred fifty thousand, seventy-three".