65852477 has 2 divisors, whose sum is σ = 65852478. Its totient is φ = 65852476.

The previous prime is 65852443. The next prime is 65852513. The reversal of 65852477 is 77425856.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43375396 + 22477081 = 6586^2 + 4741^2 .

It is a cyclic number.

It is not a de Polignac number, because 65852477 - 2¹² = 65848381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62852477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32926238 + 32926239.

It is an arithmetic number, because the mean of its divisors is an integer number (32926239).

Almost surely, 2^65852477 is an apocalyptic number.

It is an amenable number.

65852477 is a deficient number, since it is larger than the sum of its proper divisors (1).

65852477 is an equidigital number, since it uses as much as digits as its factorization.

65852477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 44.

The square root of 65852477 is about 8114.9539123768. The cubic root of 65852477 is about 403.8226785298.

It can be divided in two parts, 658 and 52477, that added together give a palindrome (53135).

The spelling of 65852477 in words is "sixty-five million, eight hundred fifty-two thousand, four hundred seventy-seven".