65422501 has 2 divisors, whose sum is σ = 65422502. Its totient is φ = 65422500.

The previous prime is 65422457. The next prime is 65422517. The reversal of 65422501 is 10522456.

65422501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35117476 + 30305025 = 5926^2 + 5505^2 .

It is a cyclic number.

It is not a de Polignac number, because 65422501 - 2⁹ = 65421989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65422571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32711250 + 32711251.

It is an arithmetic number, because the mean of its divisors is an integer number (32711251).

Almost surely, 2^65422501 is an apocalyptic number.

It is an amenable number.

65422501 is a deficient number, since it is larger than the sum of its proper divisors (1).

65422501 is an equidigital number, since it uses as much as digits as its factorization.

65422501 is an odious number, because the sum of its binary digits is odd.

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

The square root of 65422501 is about 8088.4177068200. The cubic root of 65422501 is about 402.9418544389.

Adding to 65422501 its reverse (10522456), we get a palindrome (75944957).

The spelling of 65422501 in words is "sixty-five million, four hundred twenty-two thousand, five hundred one".