65393137 has 2 divisors, whose sum is σ = 65393138. Its totient is φ = 65393136.

The previous prime is 65393123. The next prime is 65393143. The reversal of 65393137 is 73139356.

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., 58232161 + 7160976 = 7631^2 + 2676^2 .

It is a cyclic number.

It is not a de Polignac number, because 65393137 - 2²³ = 57004529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65393096 and 65393105.

It is not a weakly prime, because it can be changed into another prime (65393147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32696568 + 32696569.

It is an arithmetic number, because the mean of its divisors is an integer number (32696569).

Almost surely, 2^65393137 is an apocalyptic number.

It is an amenable number.

65393137 is a deficient number, since it is larger than the sum of its proper divisors (1).

65393137 is an equidigital number, since it uses as much as digits as its factorization.

65393137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030, while the sum is 37.

The square root of 65393137 is about 8086.6023149404. The cubic root of 65393137 is about 402.8815604264.

The spelling of 65393137 in words is "sixty-five million, three hundred ninety-three thousand, one hundred thirty-seven".