653503234 has 16 divisors (see below), whose sum is σ = 997971840. Its totient is φ = 320858320.

The previous prime is 653503199. The next prime is 653503261. The reversal of 653503234 is 432305356.

It is a happy number.

653503234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 653503196 and 653503205.

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, 127644 + ... + 132664.

It is an arithmetic number, because the mean of its divisors is an integer number (62373240).

Almost surely, 2^653503234 is an apocalyptic number.

653503234 is a deficient number, since it is larger than the sum of its proper divisors (344468606).

653503234 is a wasteful number, since it uses less digits than its factorization.

653503234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 653503234 is about 25563.7093161380. The cubic root of 653503234 is about 867.7925426393.

The spelling of 653503234 in words is "six hundred fifty-three million, five hundred three thousand, two hundred thirty-four".