64145527 has 2 divisors, whose sum is σ = 64145528. Its totient is φ = 64145526.

The previous prime is 64145513. The next prime is 64145561. The reversal of 64145527 is 72554146.

It is an a-pointer prime, because the next prime (64145561) can be obtained adding 64145527 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64145527 - 2⁷ = 64145399 is a prime.

It is a super-2 number, since 2×64145527² = 8229297268215458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64145492 and 64145501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64145507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32072763 + 32072764.

It is an arithmetic number, because the mean of its divisors is an integer number (32072764).

Almost surely, 2^64145527 is an apocalyptic number.

64145527 is a deficient number, since it is larger than the sum of its proper divisors (1).

64145527 is an equidigital number, since it uses as much as digits as its factorization.

64145527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 64145527 is about 8009.0902729336. The cubic root of 64145527 is about 400.3029517427.

The spelling of 64145527 in words is "sixty-four million, one hundred forty-five thousand, five hundred twenty-seven".