64565741 has 2 divisors, whose sum is σ = 64565742. Its totient is φ = 64565740.

The previous prime is 64565737. The next prime is 64565797. The reversal of 64565741 is 14756546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59521225 + 5044516 = 7715^2 + 2246^2 .

It is a cyclic number.

It is not a de Polignac number, because 64565741 - 2² = 64565737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64565695 and 64565704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64565141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32282870 + 32282871.

It is an arithmetic number, because the mean of its divisors is an integer number (32282871).

Almost surely, 2^64565741 is an apocalyptic number.

It is an amenable number.

64565741 is a deficient number, since it is larger than the sum of its proper divisors (1).

64565741 is an equidigital number, since it uses as much as digits as its factorization.

64565741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 64565741 is about 8035.2810156210. The cubic root of 64565741 is about 401.1751711342.

The spelling of 64565741 in words is "sixty-four million, five hundred sixty-five thousand, seven hundred forty-one".