64525634 has 8 divisors (see below), whose sum is σ = 101882640. Its totient is φ = 30564756.

The previous prime is 64525633. The next prime is 64525639. The reversal of 64525634 is 43652546.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64525594 and 64525603.

It is not an unprimeable number, because it can be changed into a prime (64525633) 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, 848984 + ... + 849059.

It is an arithmetic number, because the mean of its divisors is an integer number (12735330).

Almost surely, 2^64525634 is an apocalyptic number.

64525634 is a deficient number, since it is larger than the sum of its proper divisors (37357006).

64525634 is a wasteful number, since it uses less digits than its factorization.

64525634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698064.

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

The square root of 64525634 is about 8032.7849467043. The cubic root of 64525634 is about 401.0920864876.

The spelling of 64525634 in words is "sixty-four million, five hundred twenty-five thousand, six hundred thirty-four".