65134523 has 2 divisors, whose sum is σ = 65134524. Its totient is φ = 65134522.

The previous prime is 65134457. The next prime is 65134543. The reversal of 65134523 is 32543156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65134523 - 2¹⁶ = 65068987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (65134543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32567261 + 32567262.

It is an arithmetic number, because the mean of its divisors is an integer number (32567262).

Almost surely, 2^65134523 is an apocalyptic number.

65134523 is a deficient number, since it is larger than the sum of its proper divisors (1).

65134523 is an equidigital number, since it uses as much as digits as its factorization.

65134523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 65134523 is about 8070.5961985469. The cubic root of 65134523 is about 402.3497591344.

Adding to 65134523 its reverse (32543156), we get a palindrome (97677679).

The spelling of 65134523 in words is "sixty-five million, one hundred thirty-four thousand, five hundred twenty-three".