65235523 has 2 divisors, whose sum is σ = 65235524. Its totient is φ = 65235522.

The previous prime is 65235517. The next prime is 65235539. The reversal of 65235523 is 32553256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65235523 - 2²¹ = 63138371 is a prime.

It is a super-2 number, since 2×65235523² = 8511346922167058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65235553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32617761 + 32617762.

It is an arithmetic number, because the mean of its divisors is an integer number (32617762).

Almost surely, 2^65235523 is an apocalyptic number.

65235523 is a deficient number, since it is larger than the sum of its proper divisors (1).

65235523 is an equidigital number, since it uses as much as digits as its factorization.

65235523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 31.

The square root of 65235523 is about 8076.8510571881. The cubic root of 65235523 is about 402.5576178720.

Adding to 65235523 its reverse (32553256), we get a palindrome (97788779).

The spelling of 65235523 in words is "sixty-five million, two hundred thirty-five thousand, five hundred twenty-three".