64525011 has 4 divisors (see below), whose sum is σ = 86033352. Its totient is φ = 43016672.

The previous prime is 64524991. The next prime is 64525037. The reversal of 64525011 is 11052546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64525011 - 2⁷ = 64524883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64525411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10754166 + ... + 10754171.

It is an arithmetic number, because the mean of its divisors is an integer number (21508338).

Almost surely, 2^64525011 is an apocalyptic number.

64525011 is a deficient number, since it is larger than the sum of its proper divisors (21508341).

64525011 is a wasteful number, since it uses less digits than its factorization.

64525011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21508340.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 64525011 is about 8032.7461680300. The cubic root of 64525011 is about 401.0907956250.

Adding to 64525011 its reverse (11052546), we get a palindrome (75577557).

The spelling of 64525011 in words is "sixty-four million, five hundred twenty-five thousand, eleven".