52207073 has 4 divisors (see below), whose sum is σ = 52221588. Its totient is φ = 52192560.

The previous prime is 52207061. The next prime is 52207087. The reversal of 52207073 is 37070225.

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 13667809 + 38539264 = 3697^2 + 6208^2 .

It is a cyclic number.

It is not a de Polignac number, because 52207073 - 2¹⁴ = 52190689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52207093) 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, 2615 + ... + 10547.

It is an arithmetic number, because the mean of its divisors is an integer number (13055397).

Almost surely, 2^52207073 is an apocalyptic number.

It is an amenable number.

52207073 is a deficient number, since it is larger than the sum of its proper divisors (14515).

52207073 is an equidigital number, since it uses as much as digits as its factorization.

52207073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14514.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 52207073 is about 7225.4462145946. The cubic root of 52207073 is about 373.7459096580.

Adding to 52207073 its reverse (37070225), we get a palindrome (89277298).

The spelling of 52207073 in words is "fifty-two million, two hundred seven thousand, seventy-three".