65445001 has 2 divisors, whose sum is σ = 65445002. Its totient is φ = 65445000.

The previous prime is 65444969. The next prime is 65445007. The reversal of 65445001 is 10054456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39992976 + 25452025 = 6324^2 + 5045^2 .

It is a cyclic number.

It is not a de Polignac number, because 65445001 - 2⁵ = 65444969 is a prime.

It is not a weakly prime, because it can be changed into another prime (65445007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32722500 + 32722501.

It is an arithmetic number, because the mean of its divisors is an integer number (32722501).

Almost surely, 2^65445001 is an apocalyptic number.

It is an amenable number.

65445001 is a deficient number, since it is larger than the sum of its proper divisors (1).

65445001 is an equidigital number, since it uses as much as digits as its factorization.

65445001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 65445001 is about 8089.8084649762. The cubic root of 65445001 is about 402.9880421798.

Adding to 65445001 its reverse (10054456), we get a palindrome (75499457).

The spelling of 65445001 in words is "sixty-five million, four hundred forty-five thousand, one".