653146330 has 16 divisors (see below), whose sum is σ = 1191769704. Its totient is φ = 257679360.

The previous prime is 653146327. The next prime is 653146349. The reversal of 653146330 is 33641356.

It can be written as a sum of positive squares in 4 ways, for example, as 526381249 + 126765081 = 22943^2 + 11259^2 .

It is a junction number, because it is equal to n+sod(n) for n = 653146292 and 653146301.

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 7 ways as a sum of consecutive naturals, for example, 446631 + ... + 448090.

Almost surely, 2^653146330 is an apocalyptic number.

653146330 is a deficient number, since it is larger than the sum of its proper divisors (538623374).

653146330 is a wasteful number, since it uses less digits than its factorization.

653146330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894801.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 653146330 is about 25556.7276856799. The cubic root of 653146330 is about 867.6345352448.

Adding to 653146330 its reverse (33641356), we get a palindrome (686787686).

The spelling of 653146330 in words is "six hundred fifty-three million, one hundred forty-six thousand, three hundred thirty".