653649045 has 32 divisors (see below), whose sum is σ = 1196709120. Its totient is φ = 298444800.

The previous prime is 653649013. The next prime is 653649089. The reversal of 653649045 is 540946356.

It is not a de Polignac number, because 653649045 - 2⁵ = 653649013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 653648988 and 653649006.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 94195 + ... + 100895.

It is an arithmetic number, because the mean of its divisors is an integer number (37397160).

Almost surely, 2^653649045 is an apocalyptic number.

It is an amenable number.

653649045 is a deficient number, since it is larger than the sum of its proper divisors (543060075).

653649045 is a wasteful number, since it uses less digits than its factorization.

653649045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645.

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 653649045 is about 25566.5610710553. The cubic root of 653649045 is about 867.8570790651.

The spelling of 653649045 in words is "six hundred fifty-three million, six hundred forty-nine thousand, forty-five".