52680197 has 2 divisors, whose sum is σ = 52680198. Its totient is φ = 52680196.

The previous prime is 52680163. The next prime is 52680233. The reversal of 52680197 is 79108625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52041796 + 638401 = 7214^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 52680197 - 2¹² = 52676101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52680197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52680107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26340098 + 26340099.

It is an arithmetic number, because the mean of its divisors is an integer number (26340099).

Almost surely, 2^52680197 is an apocalyptic number.

It is an amenable number.

52680197 is a deficient number, since it is larger than the sum of its proper divisors (1).

52680197 is an equidigital number, since it uses as much as digits as its factorization.

52680197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 52680197 is about 7258.1124956837. The cubic root of 52680197 is about 374.8715340698.

The spelling of 52680197 in words is "fifty-two million, six hundred eighty thousand, one hundred ninety-seven".