64284525 has 18 divisors (see below), whose sum is σ = 115141130. Its totient is φ = 34284960.

The previous prime is 64284511. The next prime is 64284529. The reversal of 64284525 is 52548246.

It is a happy number.

64284525 is a `hidden beast` number, since 642 + 8 + 4 + 5 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 11009124 + 53275401 = 3318^2 + 7299^2 .

It is not a de Polignac number, because 64284525 - 2⁶ = 64284461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64284525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64284529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 142630 + ... + 143079.

Almost surely, 2^64284525 is an apocalyptic number.

It is an amenable number.

64284525 is a deficient number, since it is larger than the sum of its proper divisors (50856605).

64284525 is a wasteful number, since it uses less digits than its factorization.

64284525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285725 (or 285717 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 64284525 is about 8017.7630920351. The cubic root of 64284525 is about 400.5918841675.

The spelling of 64284525 in words is "sixty-four million, two hundred eighty-four thousand, five hundred twenty-five".