65529469 has 2 divisors, whose sum is σ = 65529470. Its totient is φ = 65529468.

The previous prime is 65529437. The next prime is 65529511. The reversal of 65529469 is 96492556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44488900 + 21040569 = 6670^2 + 4587^2 .

It is a cyclic number.

It is not a de Polignac number, because 65529469 - 2⁵ = 65529437 is a prime.

It is a super-2 number, since 2×65529469² = 8588222614843922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65559469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32764734 + 32764735.

It is an arithmetic number, because the mean of its divisors is an integer number (32764735).

Almost surely, 2^65529469 is an apocalyptic number.

It is an amenable number.

65529469 is a deficient number, since it is larger than the sum of its proper divisors (1).

65529469 is an equidigital number, since it uses as much as digits as its factorization.

65529469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 46.

The square root of 65529469 is about 8095.0274242896. The cubic root of 65529469 is about 403.1613427083.

It can be divided in two parts, 6 and 5529469, that added together give a triangular number (5529475 = T₃₃₂₅).

The spelling of 65529469 in words is "sixty-five million, five hundred twenty-nine thousand, four hundred sixty-nine".