65552293 has 2 divisors, whose sum is σ = 65552294. Its totient is φ = 65552292.

The previous prime is 65552251. The next prime is 65552329. The reversal of 65552293 is 39225556.

Together with next prime (65552329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64032004 + 1520289 = 8002^2 + 1233^2 .

It is a cyclic number.

It is not a de Polignac number, because 65552293 - 2¹⁷ = 65421221 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65552213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32776146 + 32776147.

It is an arithmetic number, because the mean of its divisors is an integer number (32776147).

Almost surely, 2^65552293 is an apocalyptic number.

It is an amenable number.

65552293 is a deficient number, since it is larger than the sum of its proper divisors (1).

65552293 is an equidigital number, since it uses as much as digits as its factorization.

65552293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 37.

The square root of 65552293 is about 8096.4370558907. The cubic root of 65552293 is about 403.2081444832.

The spelling of 65552293 in words is "sixty-five million, five hundred fifty-two thousand, two hundred ninety-three".