64376497 has 2 divisors, whose sum is σ = 64376498. Its totient is φ = 64376496.

The previous prime is 64376441. The next prime is 64376531. The reversal of 64376497 is 79467346.

64376497 is nontrivially palindromic in base 6.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64064016 + 312481 = 8004^2 + 559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64376497 is a prime.

It is not a weakly prime, because it can be changed into another prime (64376597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32188248 + 32188249.

It is an arithmetic number, because the mean of its divisors is an integer number (32188249).

Almost surely, 2^64376497 is an apocalyptic number.

It is an amenable number.

64376497 is a deficient number, since it is larger than the sum of its proper divisors (1).

64376497 is an equidigital number, since it uses as much as digits as its factorization.

64376497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 46.

The square root of 64376497 is about 8023.4965569881. The cubic root of 64376497 is about 400.7828356713.

The spelling of 64376497 in words is "sixty-four million, three hundred seventy-six thousand, four hundred ninety-seven".