64524513 has 8 divisors (see below), whose sum is σ = 90560800. Its totient is φ = 40752288.

The previous prime is 64524487. The next prime is 64524521. The reversal of 64524513 is 31542546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64524513 - 2¹⁸ = 64262369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64524533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565948 + ... + 566061.

It is an arithmetic number, because the mean of its divisors is an integer number (11320100).

Almost surely, 2^64524513 is an apocalyptic number.

It is an amenable number.

64524513 is a deficient number, since it is larger than the sum of its proper divisors (26036287).

64524513 is a wasteful number, since it uses less digits than its factorization.

64524513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132031.

The product of its digits is 14400, while the sum is 30.

The square root of 64524513 is about 8032.7151698538. The cubic root of 64524513 is about 401.0897637578.

The spelling of 64524513 in words is "sixty-four million, five hundred twenty-four thousand, five hundred thirteen".