64549097 has 2 divisors, whose sum is σ = 64549098. Its totient is φ = 64549096.

The previous prime is 64549081. The next prime is 64549117. The reversal of 64549097 is 79094546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47665216 + 16883881 = 6904^2 + 4109^2 .

It is a cyclic number.

It is not a de Polignac number, because 64549097 - 2⁴ = 64549081 is a prime.

It is not a weakly prime, because it can be changed into another prime (64509097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32274548 + 32274549.

It is an arithmetic number, because the mean of its divisors is an integer number (32274549).

Almost surely, 2^64549097 is an apocalyptic number.

It is an amenable number.

64549097 is a deficient number, since it is larger than the sum of its proper divisors (1).

64549097 is an equidigital number, since it uses as much as digits as its factorization.

64549097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 64549097 is about 8034.2452663583. The cubic root of 64549097 is about 401.1406960226.

It can be divided in two parts, 6454 and 9097, that added together give a palindrome (15551).

The spelling of 64549097 in words is "sixty-four million, five hundred forty-nine thousand, ninety-seven".