52697653 has 2 divisors, whose sum is σ = 52697654. Its totient is φ = 52697652.

The previous prime is 52697651. The next prime is 52697693. The reversal of 52697653 is 35679625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28323684 + 24373969 = 5322^2 + 4937^2 .

It is a cyclic number.

It is not a de Polignac number, because 52697653 - 2¹ = 52697651 is a prime.

Together with 52697651, 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 (52697651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26348826 + 26348827.

It is an arithmetic number, because the mean of its divisors is an integer number (26348827).

Almost surely, 2^52697653 is an apocalyptic number.

It is an amenable number.

52697653 is a deficient number, since it is larger than the sum of its proper divisors (1).

52697653 is an equidigital number, since it uses as much as digits as its factorization.

52697653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 43.

The square root of 52697653 is about 7259.3149125796. The cubic root of 52697653 is about 374.9129350467.

The spelling of 52697653 in words is "fifty-two million, six hundred ninety-seven thousand, six hundred fifty-three".