64362197 has 2 divisors, whose sum is σ = 64362198. Its totient is φ = 64362196.

The previous prime is 64362191. The next prime is 64362227. The reversal of 64362197 is 79126346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52432081 + 11930116 = 7241^2 + 3454^2 .

It is a cyclic number.

It is not a de Polignac number, because 64362197 - 2¹² = 64358101 is a prime.

It is a super-3 number, since 3×64362197³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64362197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64362191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32181098 + 32181099.

It is an arithmetic number, because the mean of its divisors is an integer number (32181099).

Almost surely, 2^64362197 is an apocalyptic number.

It is an amenable number.

64362197 is a deficient number, since it is larger than the sum of its proper divisors (1).

64362197 is an equidigital number, since it uses as much as digits as its factorization.

64362197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 64362197 is about 8022.6053748143. The cubic root of 64362197 is about 400.7531580756.

The spelling of 64362197 in words is "sixty-four million, three hundred sixty-two thousand, one hundred ninety-seven".