65224001 has 2 divisors, whose sum is σ = 65224002. Its totient is φ = 65224000.

The previous prime is 65223959. The next prime is 65224013. The reversal of 65224001 is 10042256.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65044225 + 179776 = 8065^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 65224001 - 2¹⁴ = 65207617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65224051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32612000 + 32612001.

It is an arithmetic number, because the mean of its divisors is an integer number (32612001).

Almost surely, 2^65224001 is an apocalyptic number.

It is an amenable number.

65224001 is a deficient number, since it is larger than the sum of its proper divisors (1).

65224001 is an equidigital number, since it uses as much as digits as its factorization.

65224001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 65224001 is about 8076.1377526637. The cubic root of 65224001 is about 402.5339163581.

Adding to 65224001 its reverse (10042256), we get a palindrome (75266257).

The spelling of 65224001 in words is "sixty-five million, two hundred twenty-four thousand, one".