65852513 has 2 divisors, whose sum is σ = 65852514. Its totient is φ = 65852512.

The previous prime is 65852477. The next prime is 65852539. The reversal of 65852513 is 31525856.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64754209 + 1098304 = 8047^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 65852513 - 2¹² = 65848417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65852573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32926256 + 32926257.

It is an arithmetic number, because the mean of its divisors is an integer number (32926257).

Almost surely, 2^65852513 is an apocalyptic number.

It is an amenable number.

65852513 is a deficient number, since it is larger than the sum of its proper divisors (1).

65852513 is an equidigital number, since it uses as much as digits as its factorization.

65852513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 35.

The square root of 65852513 is about 8114.9561305037. The cubic root of 65852513 is about 403.8227521166.

The spelling of 65852513 in words is "sixty-five million, eight hundred fifty-two thousand, five hundred thirteen".