65148073 has 2 divisors, whose sum is σ = 65148074. Its totient is φ = 65148072.

The previous prime is 65148071. The next prime is 65148091. The reversal of 65148073 is 37084156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56130064 + 9018009 = 7492^2 + 3003^2 .

It is a cyclic number.

It is not a de Polignac number, because 65148073 - 2¹ = 65148071 is a prime.

It is a super-2 number, since 2×65148073² = 8488542831226658, which contains 22 as substring.

Together with 65148071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65148071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32574036 + 32574037.

It is an arithmetic number, because the mean of its divisors is an integer number (32574037).

Almost surely, 2^65148073 is an apocalyptic number.

It is an amenable number.

65148073 is a deficient number, since it is larger than the sum of its proper divisors (1).

65148073 is an equidigital number, since it uses as much as digits as its factorization.

65148073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 65148073 is about 8071.4356219944. The cubic root of 65148073 is about 402.3776576076.

The spelling of 65148073 in words is "sixty-five million, one hundred forty-eight thousand, seventy-three".