65448437 has 2 divisors, whose sum is σ = 65448438. Its totient is φ = 65448436.

The previous prime is 65448431. The next prime is 65448443. The reversal of 65448437 is 73484456.

It is a balanced prime because it is at equal distance from previous prime (65448431) and next prime (65448443).

It can be written as a sum of positive squares in only one way, i.e., 49758916 + 15689521 = 7054^2 + 3961^2 .

It is a cyclic number.

It is not a de Polignac number, because 65448437 - 2¹⁴ = 65432053 is a prime.

It is a super-5 number, since 5×65448437⁵ (a number of 40 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65448394 and 65448403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65448431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32724218 + 32724219.

It is an arithmetic number, because the mean of its divisors is an integer number (32724219).

Almost surely, 2^65448437 is an apocalyptic number.

It is an amenable number.

65448437 is a deficient number, since it is larger than the sum of its proper divisors (1).

65448437 is an equidigital number, since it uses as much as digits as its factorization.

65448437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 41.

The square root of 65448437 is about 8090.0208281561. The cubic root of 65448437 is about 402.9950946292.

The spelling of 65448437 in words is "sixty-five million, four hundred forty-eight thousand, four hundred thirty-seven".