65274593 has 2 divisors, whose sum is σ = 65274594. Its totient is φ = 65274592.

The previous prime is 65274569. The next prime is 65274613. The reversal of 65274593 is 39547256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58262689 + 7011904 = 7633^2 + 2648^2 .

It is a cyclic number.

It is not a de Polignac number, because 65274593 - 2¹⁸ = 65012449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65274593.

It is not a weakly prime, because it can be changed into another prime (65274893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32637296 + 32637297.

It is an arithmetic number, because the mean of its divisors is an integer number (32637297).

Almost surely, 2^65274593 is an apocalyptic number.

It is an amenable number.

65274593 is a deficient number, since it is larger than the sum of its proper divisors (1).

65274593 is an equidigital number, since it uses as much as digits as its factorization.

65274593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 65274593 is about 8079.2693357754. The cubic root of 65274593 is about 402.6379666687.

The spelling of 65274593 in words is "sixty-five million, two hundred seventy-four thousand, five hundred ninety-three".