64523654 has 16 divisors (see below), whose sum is σ = 104373360. Its totient is φ = 29739360.

The previous prime is 64523647. The next prime is 64523699. The reversal of 64523654 is 45632546.

It is a happy number.

64523654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26417 + ... + 28755.

It is an arithmetic number, because the mean of its divisors is an integer number (6523335).

Almost surely, 2^64523654 is an apocalyptic number.

64523654 is a deficient number, since it is larger than the sum of its proper divisors (39849706).

64523654 is a wasteful number, since it uses less digits than its factorization.

64523654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415.

The product of its digits is 86400, while the sum is 35.

The square root of 64523654 is about 8032.6617008312. The cubic root of 64523654 is about 401.0879838780.

The spelling of 64523654 in words is "sixty-four million, five hundred twenty-three thousand, six hundred fifty-four".