653522385 has 32 divisors (see below), whose sum is σ = 1126287360. Its totient is φ = 322515648.

The previous prime is 653522371. The next prime is 653522417. The reversal of 653522385 is 583225356.

It is not a de Polignac number, because 653522385 - 2⁴ = 653522369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14409 + ... + 38918.

It is an arithmetic number, because the mean of its divisors is an integer number (35196480).

Almost surely, 2^653522385 is an apocalyptic number.

It is an amenable number.

653522385 is a deficient number, since it is larger than the sum of its proper divisors (472764975).

653522385 is a wasteful number, since it uses less digits than its factorization.

653522385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53397.

The product of its digits is 216000, while the sum is 39.

The square root of 653522385 is about 25564.0838873604. The cubic root of 653522385 is about 867.8010194822.

It can be divided in two parts, 6535 and 22385, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 653522385 in words is "six hundred fifty-three million, five hundred twenty-two thousand, three hundred eighty-five".