64275529 has 2 divisors, whose sum is σ = 64275530. Its totient is φ = 64275528.

The previous prime is 64275527. The next prime is 64275557. The reversal of 64275529 is 92557246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60093504 + 4182025 = 7752^2 + 2045^2 .

It is a cyclic number.

It is not a de Polignac number, because 64275529 - 2¹ = 64275527 is a prime.

Together with 64275527, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 64275491 and 64275500.

It is not a weakly prime, because it can be changed into another prime (64275527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32137764 + 32137765.

It is an arithmetic number, because the mean of its divisors is an integer number (32137765).

Almost surely, 2^64275529 is an apocalyptic number.

It is an amenable number.

64275529 is a deficient number, since it is larger than the sum of its proper divisors (1).

64275529 is an equidigital number, since it uses as much as digits as its factorization.

64275529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 64275529 is about 8017.2020680534. The cubic root of 64275529 is about 400.5731969707.

The spelling of 64275529 in words is "sixty-four million, two hundred seventy-five thousand, five hundred twenty-nine".