64525945 has 8 divisors (see below), whose sum is σ = 84470400. Its totient is φ = 46927920.

The previous prime is 64525939. The next prime is 64525991. The reversal of 64525945 is 54952546.

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

It is not a de Polignac number, because 64525945 - 2¹³ = 64517753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64525898 and 64525907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586545 + ... + 586654.

It is an arithmetic number, because the mean of its divisors is an integer number (10558800).

Almost surely, 2^64525945 is an apocalyptic number.

It is an amenable number.

64525945 is a deficient number, since it is larger than the sum of its proper divisors (19944455).

64525945 is a wasteful number, since it uses less digits than its factorization.

64525945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173215.

The product of its digits is 216000, while the sum is 40.

The square root of 64525945 is about 8032.8043048490. The cubic root of 64525945 is about 401.0927308798.

The spelling of 64525945 in words is "sixty-four million, five hundred twenty-five thousand, nine hundred forty-five".